Home / 124,658.12-186,876.03-45,754.04

Finding the Fourth Proportional to 124,658.12, 186,876.03 and 45,754.04

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Solution

The fourth proportional to 124,658.12, 186,876.03 and 45,754.04 is: 68,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,658.12 : 186,876.03 = 45,754.04 : x
  2. Step 2: Convert to fraction form
    124,658.12/186,876.03 = 45,754.04/x
  3. Step 3: Cross multiply
    124,658.12x = 186,876.03 × 45,754.04
  4. Step 4: Simplify right side
    124,658.12x = 8,550,333,351.66
  5. Step 5: Solve for x
    x = 8,550,333,351.66/124,658.12
  6. Step 6: Final answer
    x = 68,590.26

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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.