Home / 67,492.10-93,126.90-38,805.05

Finding the Fourth Proportional to 67,492.10, 93,126.90 and 38,805.05

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Solution

The fourth proportional to 67,492.10, 93,126.90 and 38,805.05 is: 53,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,492.10 : 93,126.90 = 38,805.05 : x
  2. Step 2: Convert to fraction form
    67,492.10/93,126.90 = 38,805.05/x
  3. Step 3: Cross multiply
    67,492.10x = 93,126.90 × 38,805.05
  4. Step 4: Simplify right side
    67,492.10x = 3,613,793,545.21
  5. Step 5: Solve for x
    x = 3,613,793,545.21/67,492.10
  6. Step 6: Final answer
    x = 53,543.95

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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.