Home / 79,398.25-109,567.55-43,587.95

Finding the Fourth Proportional to 79,398.25, 109,567.55 and 43,587.95

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Solution

The fourth proportional to 79,398.25, 109,567.55 and 43,587.95 is: 60,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,398.25 : 109,567.55 = 43,587.95 : x
  2. Step 2: Convert to fraction form
    79,398.25/109,567.55 = 43,587.95/x
  3. Step 3: Cross multiply
    79,398.25x = 109,567.55 × 43,587.95
  4. Step 4: Simplify right side
    79,398.25x = 4,775,824,452.15
  5. Step 5: Solve for x
    x = 4,775,824,452.15/79,398.25
  6. Step 6: Final answer
    x = 60,150.25

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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.