Home / 94,023.20-129,771.11-63,818.25

Finding the Fourth Proportional to 94,023.20, 129,771.11 and 63,818.25

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Solution

The fourth proportional to 94,023.20, 129,771.11 and 63,818.25 is: 88,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,023.20 : 129,771.11 = 63,818.25 : x
  2. Step 2: Convert to fraction form
    94,023.20/129,771.11 = 63,818.25/x
  3. Step 3: Cross multiply
    94,023.20x = 129,771.11 × 63,818.25
  4. Step 4: Simplify right side
    94,023.20x = 8,281,764,821.67
  5. Step 5: Solve for x
    x = 8,281,764,821.67/94,023.20
  6. Step 6: Final answer
    x = 88,082.15

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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.