Home / 89,382.56-123,334.20-51,649.52

Finding the Fourth Proportional to 89,382.56, 123,334.20 and 51,649.52

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Solution

The fourth proportional to 89,382.56, 123,334.20 and 51,649.52 is: 71,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,382.56 : 123,334.20 = 51,649.52 : x
  2. Step 2: Convert to fraction form
    89,382.56/123,334.20 = 51,649.52/x
  3. Step 3: Cross multiply
    89,382.56x = 123,334.20 × 51,649.52
  4. Step 4: Simplify right side
    89,382.56x = 6,370,152,229.58
  5. Step 5: Solve for x
    x = 6,370,152,229.58/89,382.56
  6. Step 6: Final answer
    x = 71,268.40

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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.