Home / 79,319.88-109,479.03-62,058.18

Finding the Fourth Proportional to 79,319.88, 109,479.03 and 62,058.18

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Solution

The fourth proportional to 79,319.88, 109,479.03 and 62,058.18 is: 85,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,319.88 : 109,479.03 = 62,058.18 : x
  2. Step 2: Convert to fraction form
    79,319.88/109,479.03 = 62,058.18/x
  3. Step 3: Cross multiply
    79,319.88x = 109,479.03 × 62,058.18
  4. Step 4: Simplify right side
    79,319.88x = 6,794,069,349.97
  5. Step 5: Solve for x
    x = 6,794,069,349.97/79,319.88
  6. Step 6: Final answer
    x = 85,654.05

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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.