Home / 66,144.52-91,358.58-48,210.76

Finding the Fourth Proportional to 66,144.52, 91,358.58 and 48,210.76

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Solution

The fourth proportional to 66,144.52, 91,358.58 and 48,210.76 is: 66,588.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,144.52 : 91,358.58 = 48,210.76 : x
  2. Step 2: Convert to fraction form
    66,144.52/91,358.58 = 48,210.76/x
  3. Step 3: Cross multiply
    66,144.52x = 91,358.58 × 48,210.76
  4. Step 4: Simplify right side
    66,144.52x = 4,404,466,574.32
  5. Step 5: Solve for x
    x = 4,404,466,574.32/66,144.52
  6. Step 6: Final answer
    x = 66,588.53

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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.