Home / 72,876.04-109,314.06-41,689.42

Finding the Fourth Proportional to 72,876.04, 109,314.06 and 41,689.42

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Solution

The fourth proportional to 72,876.04, 109,314.06 and 41,689.42 is: 62,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,876.04 : 109,314.06 = 41,689.42 : x
  2. Step 2: Convert to fraction form
    72,876.04/109,314.06 = 41,689.42/x
  3. Step 3: Cross multiply
    72,876.04x = 109,314.06 × 41,689.42
  4. Step 4: Simplify right side
    72,876.04x = 4,557,239,759.25
  5. Step 5: Solve for x
    x = 4,557,239,759.25/72,876.04
  6. Step 6: Final answer
    x = 62,534.13

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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.