Home / 129,587.55-194,314.13-59,406.43

Finding the Fourth Proportional to 129,587.55, 194,314.13 and 59,406.43

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Solution

The fourth proportional to 129,587.55, 194,314.13 and 59,406.43 is: 89,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,587.55 : 194,314.13 = 59,406.43 : x
  2. Step 2: Convert to fraction form
    129,587.55/194,314.13 = 59,406.43/x
  3. Step 3: Cross multiply
    129,587.55x = 194,314.13 × 59,406.43
  4. Step 4: Simplify right side
    129,587.55x = 11,543,508,464.82
  5. Step 5: Solve for x
    x = 11,543,508,464.82/129,587.55
  6. Step 6: Final answer
    x = 89,078.84

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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.