Home / 84,002.68-125,707.87-52,427.53

Finding the Fourth Proportional to 84,002.68, 125,707.87 and 52,427.53

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Solution

The fourth proportional to 84,002.68, 125,707.87 and 52,427.53 is: 78,456.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,002.68 : 125,707.87 = 52,427.53 : x
  2. Step 2: Convert to fraction form
    84,002.68/125,707.87 = 52,427.53/x
  3. Step 3: Cross multiply
    84,002.68x = 125,707.87 × 52,427.53
  4. Step 4: Simplify right side
    84,002.68x = 6,590,553,125.66
  5. Step 5: Solve for x
    x = 6,590,553,125.66/84,002.68
  6. Step 6: Final answer
    x = 78,456.46

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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.