Home / 89,819.76-123,946.02-51,570.48

Finding the Fourth Proportional to 89,819.76, 123,946.02 and 51,570.48

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Solution

The fourth proportional to 89,819.76, 123,946.02 and 51,570.48 is: 71,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,819.76 : 123,946.02 = 51,570.48 : x
  2. Step 2: Convert to fraction form
    89,819.76/123,946.02 = 51,570.48/x
  3. Step 3: Cross multiply
    89,819.76x = 123,946.02 × 51,570.48
  4. Step 4: Simplify right side
    89,819.76x = 6,391,955,745.49
  5. Step 5: Solve for x
    x = 6,391,955,745.49/89,819.76
  6. Step 6: Final answer
    x = 71,164.25

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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.