Home / 62,807.72-86,653.19-38,925.68

Finding the Fourth Proportional to 62,807.72, 86,653.19 and 38,925.68

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Solution

The fourth proportional to 62,807.72, 86,653.19 and 38,925.68 is: 53,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,807.72 : 86,653.19 = 38,925.68 : x
  2. Step 2: Convert to fraction form
    62,807.72/86,653.19 = 38,925.68/x
  3. Step 3: Cross multiply
    62,807.72x = 86,653.19 × 38,925.68
  4. Step 4: Simplify right side
    62,807.72x = 3,373,033,717.02
  5. Step 5: Solve for x
    x = 3,373,033,717.02/62,807.72
  6. Step 6: Final answer
    x = 53,704.13

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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.