Home / 62,681.39-86,404.85-53,085.92

Finding the Fourth Proportional to 62,681.39, 86,404.85 and 53,085.92

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Solution

The fourth proportional to 62,681.39, 86,404.85 and 53,085.92 is: 73,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,681.39 : 86,404.85 = 53,085.92 : x
  2. Step 2: Convert to fraction form
    62,681.39/86,404.85 = 53,085.92/x
  3. Step 3: Cross multiply
    62,681.39x = 86,404.85 × 53,085.92
  4. Step 4: Simplify right side
    62,681.39x = 4,586,880,905.29
  5. Step 5: Solve for x
    x = 4,586,880,905.29/62,681.39
  6. Step 6: Final answer
    x = 73,177.72

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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.