Home / 71,264.25-98,329.05-42,579.61

Finding the Fourth Proportional to 71,264.25, 98,329.05 and 42,579.61

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Solution

The fourth proportional to 71,264.25, 98,329.05 and 42,579.61 is: 58,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,264.25 : 98,329.05 = 42,579.61 : x
  2. Step 2: Convert to fraction form
    71,264.25/98,329.05 = 42,579.61/x
  3. Step 3: Cross multiply
    71,264.25x = 98,329.05 × 42,579.61
  4. Step 4: Simplify right side
    71,264.25x = 4,186,812,354.85
  5. Step 5: Solve for x
    x = 4,186,812,354.85/71,264.25
  6. Step 6: Final answer
    x = 58,750.53

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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.