Home / 62,465.16-86,177.68-39,800.12

Finding the Fourth Proportional to 62,465.16, 86,177.68 and 39,800.12

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Solution

The fourth proportional to 62,465.16, 86,177.68 and 39,800.12 is: 54,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,465.16 : 86,177.68 = 39,800.12 : x
  2. Step 2: Convert to fraction form
    62,465.16/86,177.68 = 39,800.12/x
  3. Step 3: Cross multiply
    62,465.16x = 86,177.68 × 39,800.12
  4. Step 4: Simplify right side
    62,465.16x = 3,429,882,005.32
  5. Step 5: Solve for x
    x = 3,429,882,005.32/62,465.16
  6. Step 6: Final answer
    x = 54,908.72

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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.