Home / 29,129.15-43,703.27-9,407.86

Finding the Fourth Proportional to 29,129.15, 43,703.27 and 9,407.86

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Solution

The fourth proportional to 29,129.15, 43,703.27 and 9,407.86 is: 14,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.15 : 43,703.27 = 9,407.86 : x
  2. Step 2: Convert to fraction form
    29,129.15/43,703.27 = 9,407.86/x
  3. Step 3: Cross multiply
    29,129.15x = 43,703.27 × 9,407.86
  4. Step 4: Simplify right side
    29,129.15x = 411,154,245.70
  5. Step 5: Solve for x
    x = 411,154,245.70/29,129.15
  6. Step 6: Final answer
    x = 14,114.87

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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.