Home / 76,266.74-114,332.05-38,805.86

Finding the Fourth Proportional to 76,266.74, 114,332.05 and 38,805.86

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Solution

The fourth proportional to 76,266.74, 114,332.05 and 38,805.86 is: 58,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,266.74 : 114,332.05 = 38,805.86 : x
  2. Step 2: Convert to fraction form
    76,266.74/114,332.05 = 38,805.86/x
  3. Step 3: Cross multiply
    76,266.74x = 114,332.05 × 38,805.86
  4. Step 4: Simplify right side
    76,266.74x = 4,436,753,525.81
  5. Step 5: Solve for x
    x = 4,436,753,525.81/76,266.74
  6. Step 6: Final answer
    x = 58,174.16

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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.