Home / 84,031.52-125,751.11-52,456.40

Finding the Fourth Proportional to 84,031.52, 125,751.11 and 52,456.40

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Solution

The fourth proportional to 84,031.52, 125,751.11 and 52,456.40 is: 78,499.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,031.52 : 125,751.11 = 52,456.40 : x
  2. Step 2: Convert to fraction form
    84,031.52/125,751.11 = 52,456.40/x
  3. Step 3: Cross multiply
    84,031.52x = 125,751.11 × 52,456.40
  4. Step 4: Simplify right side
    84,031.52x = 6,596,450,264.32
  5. Step 5: Solve for x
    x = 6,596,450,264.32/84,031.52
  6. Step 6: Final answer
    x = 78,499.71

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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.