Home / 82,947.20-124,362.48-38,526.80

Finding the Fourth Proportional to 82,947.20, 124,362.48 and 38,526.80

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Solution

The fourth proportional to 82,947.20, 124,362.48 and 38,526.80 is: 57,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947.20 : 124,362.48 = 38,526.80 : x
  2. Step 2: Convert to fraction form
    82,947.20/124,362.48 = 38,526.80/x
  3. Step 3: Cross multiply
    82,947.20x = 124,362.48 × 38,526.80
  4. Step 4: Simplify right side
    82,947.20x = 4,791,288,394.46
  5. Step 5: Solve for x
    x = 4,791,288,394.46/82,947.20
  6. Step 6: Final answer
    x = 57,763.11

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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.