Home / 124,167.50-171,351.15-67,579.28

Finding the Fourth Proportional to 124,167.50, 171,351.15 and 67,579.28

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Solution

The fourth proportional to 124,167.50, 171,351.15 and 67,579.28 is: 93,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,167.50 : 171,351.15 = 67,579.28 : x
  2. Step 2: Convert to fraction form
    124,167.50/171,351.15 = 67,579.28/x
  3. Step 3: Cross multiply
    124,167.50x = 171,351.15 × 67,579.28
  4. Step 4: Simplify right side
    124,167.50x = 11,579,787,344.17
  5. Step 5: Solve for x
    x = 11,579,787,344.17/124,167.50
  6. Step 6: Final answer
    x = 93,259.41

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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.