Home / 124,679.04-187,042.95-45,793.86

Finding the Fourth Proportional to 124,679.04, 187,042.95 and 45,793.86

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Solution

The fourth proportional to 124,679.04, 187,042.95 and 45,793.86 is: 68,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,679.04 : 187,042.95 = 45,793.86 : x
  2. Step 2: Convert to fraction form
    124,679.04/187,042.95 = 45,793.86/x
  3. Step 3: Cross multiply
    124,679.04x = 187,042.95 × 45,793.86
  4. Step 4: Simplify right side
    124,679.04x = 8,565,418,666.29
  5. Step 5: Solve for x
    x = 8,565,418,666.29/124,679.04
  6. Step 6: Final answer
    x = 68,699.75

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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.