Home / 87,569.40-120,829.41-49,326.06

Finding the Fourth Proportional to 87,569.40, 120,829.41 and 49,326.06

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Solution

The fourth proportional to 87,569.40, 120,829.41 and 49,326.06 is: 68,060.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,569.40 : 120,829.41 = 49,326.06 : x
  2. Step 2: Convert to fraction form
    87,569.40/120,829.41 = 49,326.06/x
  3. Step 3: Cross multiply
    87,569.40x = 120,829.41 × 49,326.06
  4. Step 4: Simplify right side
    87,569.40x = 5,960,038,727.42
  5. Step 5: Solve for x
    x = 5,960,038,727.42/87,569.40
  6. Step 6: Final answer
    x = 68,060.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.