Home / 76,149.18-114,158.16-29,434.86

Finding the Fourth Proportional to 76,149.18, 114,158.16 and 29,434.86

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Solution

The fourth proportional to 76,149.18, 114,158.16 and 29,434.86 is: 44,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,149.18 : 114,158.16 = 29,434.86 : x
  2. Step 2: Convert to fraction form
    76,149.18/114,158.16 = 29,434.86/x
  3. Step 3: Cross multiply
    76,149.18x = 114,158.16 × 29,434.86
  4. Step 4: Simplify right side
    76,149.18x = 3,360,229,457.46
  5. Step 5: Solve for x
    x = 3,360,229,457.46/76,149.18
  6. Step 6: Final answer
    x = 44,126.93

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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.