Home / 82,239.36-123,359.04-47,201.28

Finding the Fourth Proportional to 82,239.36, 123,359.04 and 47,201.28

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Solution

The fourth proportional to 82,239.36, 123,359.04 and 47,201.28 is: 70,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,239.36 : 123,359.04 = 47,201.28 : x
  2. Step 2: Convert to fraction form
    82,239.36/123,359.04 = 47,201.28/x
  3. Step 3: Cross multiply
    82,239.36x = 123,359.04 × 47,201.28
  4. Step 4: Simplify right side
    82,239.36x = 5,822,704,587.57
  5. Step 5: Solve for x
    x = 5,822,704,587.57/82,239.36
  6. Step 6: Final answer
    x = 70,801.92

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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.