Home / 94,247.43-129,940.17-77,188.83

Finding the Fourth Proportional to 94,247.43, 129,940.17 and 77,188.83

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Solution

The fourth proportional to 94,247.43, 129,940.17 and 77,188.83 is: 106,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,247.43 : 129,940.17 = 77,188.83 : x
  2. Step 2: Convert to fraction form
    94,247.43/129,940.17 = 77,188.83/x
  3. Step 3: Cross multiply
    94,247.43x = 129,940.17 × 77,188.83
  4. Step 4: Simplify right side
    94,247.43x = 10,029,929,692.30
  5. Step 5: Solve for x
    x = 10,029,929,692.30/94,247.43
  6. Step 6: Final answer
    x = 106,421.25

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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.