Home / 53,341.11-73,612.84-30,680.06

Finding the Fourth Proportional to 53,341.11, 73,612.84 and 30,680.06

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Solution

The fourth proportional to 53,341.11, 73,612.84 and 30,680.06 is: 42,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,341.11 : 73,612.84 = 30,680.06 : x
  2. Step 2: Convert to fraction form
    53,341.11/73,612.84 = 30,680.06/x
  3. Step 3: Cross multiply
    53,341.11x = 73,612.84 × 30,680.06
  4. Step 4: Simplify right side
    53,341.11x = 2,258,446,455.30
  5. Step 5: Solve for x
    x = 2,258,446,455.30/53,341.11
  6. Step 6: Final answer
    x = 42,339.70

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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.