Home / 89,996.72-124,219.49-51,760.44

Finding the Fourth Proportional to 89,996.72, 124,219.49 and 51,760.44

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Solution

The fourth proportional to 89,996.72, 124,219.49 and 51,760.44 is: 71,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,996.72 : 124,219.49 = 51,760.44 : x
  2. Step 2: Convert to fraction form
    89,996.72/124,219.49 = 51,760.44/x
  3. Step 3: Cross multiply
    89,996.72x = 124,219.49 × 51,760.44
  4. Step 4: Simplify right side
    89,996.72x = 6,429,655,200.17
  5. Step 5: Solve for x
    x = 6,429,655,200.17/89,996.72
  6. Step 6: Final answer
    x = 71,443.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.