Home / 83,387.48-115,074.77-45,147.04

Finding the Fourth Proportional to 83,387.48, 115,074.77 and 45,147.04

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Solution

The fourth proportional to 83,387.48, 115,074.77 and 45,147.04 is: 62,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,387.48 : 115,074.77 = 45,147.04 : x
  2. Step 2: Convert to fraction form
    83,387.48/115,074.77 = 45,147.04/x
  3. Step 3: Cross multiply
    83,387.48x = 115,074.77 × 45,147.04
  4. Step 4: Simplify right side
    83,387.48x = 5,195,285,244.18
  5. Step 5: Solve for x
    x = 5,195,285,244.18/83,387.48
  6. Step 6: Final answer
    x = 62,302.94

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1.5x scale

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.