Home / 73,215.48-101,036.46-39,680.76

Finding the Fourth Proportional to 73,215.48, 101,036.46 and 39,680.76

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Solution

The fourth proportional to 73,215.48, 101,036.46 and 39,680.76 is: 54,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.48 : 101,036.46 = 39,680.76 : x
  2. Step 2: Convert to fraction form
    73,215.48/101,036.46 = 39,680.76/x
  3. Step 3: Cross multiply
    73,215.48x = 101,036.46 × 39,680.76
  4. Step 4: Simplify right side
    73,215.48x = 4,009,203,520.51
  5. Step 5: Solve for x
    x = 4,009,203,520.51/73,215.48
  6. Step 6: Final answer
    x = 54,758.96

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.