Home / 68,217.29-94,140.00-38,003.70

Finding the Fourth Proportional to 68,217.29, 94,140.00 and 38,003.70

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Solution

The fourth proportional to 68,217.29, 94,140.00 and 38,003.70 is: 52,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,217.29 : 94,140.00 = 38,003.70 : x
  2. Step 2: Convert to fraction form
    68,217.29/94,140.00 = 38,003.70/x
  3. Step 3: Cross multiply
    68,217.29x = 94,140.00 × 38,003.70
  4. Step 4: Simplify right side
    68,217.29x = 3,577,667,981.78
  5. Step 5: Solve for x
    x = 3,577,667,981.78/68,217.29
  6. Step 6: Final answer
    x = 52,445.18

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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.