Home / 84,760.20-127,140.30-49,330.80

Finding the Fourth Proportional to 84,760.20, 127,140.30 and 49,330.80

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Solution

The fourth proportional to 84,760.20, 127,140.30 and 49,330.80 is: 73,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,760.20 : 127,140.30 = 49,330.80 : x
  2. Step 2: Convert to fraction form
    84,760.20/127,140.30 = 49,330.80/x
  3. Step 3: Cross multiply
    84,760.20x = 127,140.30 × 49,330.80
  4. Step 4: Simplify right side
    84,760.20x = 6,271,932,711.24
  5. Step 5: Solve for x
    x = 6,271,932,711.24/84,760.20
  6. Step 6: Final answer
    x = 73,996.20

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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.