Home / 76,422.74-114,654.02-29,038.68

Finding the Fourth Proportional to 76,422.74, 114,654.02 and 29,038.68

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Solution

The fourth proportional to 76,422.74, 114,654.02 and 29,038.68 is: 43,565.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,422.74 : 114,654.02 = 29,038.68 : x
  2. Step 2: Convert to fraction form
    76,422.74/114,654.02 = 29,038.68/x
  3. Step 3: Cross multiply
    76,422.74x = 114,654.02 × 29,038.68
  4. Step 4: Simplify right side
    76,422.74x = 3,329,401,252.30
  5. Step 5: Solve for x
    x = 3,329,401,252.30/76,422.74
  6. Step 6: Final answer
    x = 43,565.59

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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.