Home / 76,938.30-115,429.05-37,496.70

Finding the Fourth Proportional to 76,938.30, 115,429.05 and 37,496.70

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Solution

The fourth proportional to 76,938.30, 115,429.05 and 37,496.70 is: 56,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,938.30 : 115,429.05 = 37,496.70 : x
  2. Step 2: Convert to fraction form
    76,938.30/115,429.05 = 37,496.70/x
  3. Step 3: Cross multiply
    76,938.30x = 115,429.05 × 37,496.70
  4. Step 4: Simplify right side
    76,938.30x = 4,328,208,459.14
  5. Step 5: Solve for x
    x = 4,328,208,459.14/76,938.30
  6. Step 6: Final answer
    x = 56,255.58

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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.