Home / 89,009.16-122,966.15-58,454.75

Finding the Fourth Proportional to 89,009.16, 122,966.15 and 58,454.75

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Solution

The fourth proportional to 89,009.16, 122,966.15 and 58,454.75 is: 80,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,009.16 : 122,966.15 = 58,454.75 : x
  2. Step 2: Convert to fraction form
    89,009.16/122,966.15 = 58,454.75/x
  3. Step 3: Cross multiply
    89,009.16x = 122,966.15 × 58,454.75
  4. Step 4: Simplify right side
    89,009.16x = 7,187,954,649.61
  5. Step 5: Solve for x
    x = 7,187,954,649.61/89,009.16
  6. Step 6: Final answer
    x = 80,755.22

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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.