Home / 76,700.04-115,057.91-29,354.95

Finding the Fourth Proportional to 76,700.04, 115,057.91 and 29,354.95

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Solution

The fourth proportional to 76,700.04, 115,057.91 and 29,354.95 is: 44,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,700.04 : 115,057.91 = 29,354.95 : x
  2. Step 2: Convert to fraction form
    76,700.04/115,057.91 = 29,354.95/x
  3. Step 3: Cross multiply
    76,700.04x = 115,057.91 × 29,354.95
  4. Step 4: Simplify right side
    76,700.04x = 3,377,518,619.86
  5. Step 5: Solve for x
    x = 3,377,518,619.86/76,700.04
  6. Step 6: Final answer
    x = 44,035.42

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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.