Home / 89,100.95-122,959.28-48,816.14

Finding the Fourth Proportional to 89,100.95, 122,959.28 and 48,816.14

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Solution

The fourth proportional to 89,100.95, 122,959.28 and 48,816.14 is: 67,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,100.95 : 122,959.28 = 48,816.14 : x
  2. Step 2: Convert to fraction form
    89,100.95/122,959.28 = 48,816.14/x
  3. Step 3: Cross multiply
    89,100.95x = 122,959.28 × 48,816.14
  4. Step 4: Simplify right side
    89,100.95x = 6,002,396,567.90
  5. Step 5: Solve for x
    x = 6,002,396,567.90/89,100.95
  6. Step 6: Final answer
    x = 67,366.25

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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.