Home / 76,895.52-115,361.91-37,443.66

Finding the Fourth Proportional to 76,895.52, 115,361.91 and 37,443.66

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Solution

The fourth proportional to 76,895.52, 115,361.91 and 37,443.66 is: 56,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,895.52 : 115,361.91 = 37,443.66 : x
  2. Step 2: Convert to fraction form
    76,895.52/115,361.91 = 37,443.66/x
  3. Step 3: Cross multiply
    76,895.52x = 115,361.91 × 37,443.66
  4. Step 4: Simplify right side
    76,895.52x = 4,319,572,134.99
  5. Step 5: Solve for x
    x = 4,319,572,134.99/76,895.52
  6. Step 6: Final answer
    x = 56,174.56

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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.