Home / 83,284.91-124,727.18-47,638.16

Finding the Fourth Proportional to 83,284.91, 124,727.18 and 47,638.16

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Solution

The fourth proportional to 83,284.91, 124,727.18 and 47,638.16 is: 71,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,284.91 : 124,727.18 = 47,638.16 : x
  2. Step 2: Convert to fraction form
    83,284.91/124,727.18 = 47,638.16/x
  3. Step 3: Cross multiply
    83,284.91x = 124,727.18 × 47,638.16
  4. Step 4: Simplify right side
    83,284.91x = 5,941,772,495.36
  5. Step 5: Solve for x
    x = 5,941,772,495.36/83,284.91
  6. Step 6: Final answer
    x = 71,342.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.