Home / 76,935.80-115,425.30-37,494.20

Finding the Fourth Proportional to 76,935.80, 115,425.30 and 37,494.20

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Solution

The fourth proportional to 76,935.80, 115,425.30 and 37,494.20 is: 56,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,935.80 : 115,425.30 = 37,494.20 : x
  2. Step 2: Convert to fraction form
    76,935.80/115,425.30 = 37,494.20/x
  3. Step 3: Cross multiply
    76,935.80x = 115,425.30 × 37,494.20
  4. Step 4: Simplify right side
    76,935.80x = 4,327,779,283.26
  5. Step 5: Solve for x
    x = 4,327,779,283.26/76,935.80
  6. Step 6: Final answer
    x = 56,251.83

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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.