Home / 102,307.32-141,191.18-62,022.78

Finding the Fourth Proportional to 102,307.32, 141,191.18 and 62,022.78

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Solution

The fourth proportional to 102,307.32, 141,191.18 and 62,022.78 is: 85,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,307.32 : 141,191.18 = 62,022.78 : x
  2. Step 2: Convert to fraction form
    102,307.32/141,191.18 = 62,022.78/x
  3. Step 3: Cross multiply
    102,307.32x = 141,191.18 × 62,022.78
  4. Step 4: Simplify right side
    102,307.32x = 8,757,069,495.08
  5. Step 5: Solve for x
    x = 8,757,069,495.08/102,307.32
  6. Step 6: Final answer
    x = 85,595.73

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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.