Home / 78,388.25-108,182.97-44,398.13

Finding the Fourth Proportional to 78,388.25, 108,182.97 and 44,398.13

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Solution

The fourth proportional to 78,388.25, 108,182.97 and 44,398.13 is: 61,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,388.25 : 108,182.97 = 44,398.13 : x
  2. Step 2: Convert to fraction form
    78,388.25/108,182.97 = 44,398.13/x
  3. Step 3: Cross multiply
    78,388.25x = 108,182.97 × 44,398.13
  4. Step 4: Simplify right side
    78,388.25x = 4,803,121,024.93
  5. Step 5: Solve for x
    x = 4,803,121,024.93/78,388.25
  6. Step 6: Final answer
    x = 61,273.49

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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.