Home / 82,937.20-124,405.80-23,769.40

Finding the Fourth Proportional to 82,937.20, 124,405.80 and 23,769.40

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Solution

The fourth proportional to 82,937.20, 124,405.80 and 23,769.40 is: 35,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,937.20 : 124,405.80 = 23,769.40 : x
  2. Step 2: Convert to fraction form
    82,937.20/124,405.80 = 23,769.40/x
  3. Step 3: Cross multiply
    82,937.20x = 124,405.80 × 23,769.40
  4. Step 4: Simplify right side
    82,937.20x = 2,957,051,222.52
  5. Step 5: Solve for x
    x = 2,957,051,222.52/82,937.20
  6. Step 6: Final answer
    x = 35,654.10

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1.5x scale

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.