Home / 67,929.63-93,742.88-39,629.85

Finding the Fourth Proportional to 67,929.63, 93,742.88 and 39,629.85

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Solution

The fourth proportional to 67,929.63, 93,742.88 and 39,629.85 is: 54,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,929.63 : 93,742.88 = 39,629.85 : x
  2. Step 2: Convert to fraction form
    67,929.63/93,742.88 = 39,629.85/x
  3. Step 3: Cross multiply
    67,929.63x = 93,742.88 × 39,629.85
  4. Step 4: Simplify right side
    67,929.63x = 3,715,016,272.97
  5. Step 5: Solve for x
    x = 3,715,016,272.97/67,929.63
  6. Step 6: Final answer
    x = 54,689.19

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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.