Home / 99,500.74-149,252.22-42,566.90

Finding the Fourth Proportional to 99,500.74, 149,252.22 and 42,566.90

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Solution

The fourth proportional to 99,500.74, 149,252.22 and 42,566.90 is: 63,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,500.74 : 149,252.22 = 42,566.90 : x
  2. Step 2: Convert to fraction form
    99,500.74/149,252.22 = 42,566.90/x
  3. Step 3: Cross multiply
    99,500.74x = 149,252.22 × 42,566.90
  4. Step 4: Simplify right side
    99,500.74x = 6,353,203,577.26
  5. Step 5: Solve for x
    x = 6,353,203,577.26/99,500.74
  6. Step 6: Final answer
    x = 63,850.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.