Home / 83,607.82-125,411.39-30,287.32

Finding the Fourth Proportional to 83,607.82, 125,411.39 and 30,287.32

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Solution

The fourth proportional to 83,607.82, 125,411.39 and 30,287.32 is: 45,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,607.82 : 125,411.39 = 30,287.32 : x
  2. Step 2: Convert to fraction form
    83,607.82/125,411.39 = 30,287.32/x
  3. Step 3: Cross multiply
    83,607.82x = 125,411.39 × 30,287.32
  4. Step 4: Simplify right side
    83,607.82x = 3,798,374,122.08
  5. Step 5: Solve for x
    x = 3,798,374,122.08/83,607.82
  6. Step 6: Final answer
    x = 45,430.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.