Home / 89,200.75-123,077.76-51,453.13

Finding the Fourth Proportional to 89,200.75, 123,077.76 and 51,453.13

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Solution

The fourth proportional to 89,200.75, 123,077.76 and 51,453.13 is: 70,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,200.75 : 123,077.76 = 51,453.13 : x
  2. Step 2: Convert to fraction form
    89,200.75/123,077.76 = 51,453.13/x
  3. Step 3: Cross multiply
    89,200.75x = 123,077.76 × 51,453.13
  4. Step 4: Simplify right side
    89,200.75x = 6,332,735,985.39
  5. Step 5: Solve for x
    x = 6,332,735,985.39/89,200.75
  6. Step 6: Final answer
    x = 70,994.20

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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.