Home / 68,148.72-94,044.12-38,340.72

Finding the Fourth Proportional to 68,148.72, 94,044.12 and 38,340.72

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Solution

The fourth proportional to 68,148.72, 94,044.12 and 38,340.72 is: 52,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,148.72 : 94,044.12 = 38,340.72 : x
  2. Step 2: Convert to fraction form
    68,148.72/94,044.12 = 38,340.72/x
  3. Step 3: Cross multiply
    68,148.72x = 94,044.12 × 38,340.72
  4. Step 4: Simplify right side
    68,148.72x = 3,605,719,272.57
  5. Step 5: Solve for x
    x = 3,605,719,272.57/68,148.72
  6. Step 6: Final answer
    x = 52,909.57

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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.