Home / 91,557.28-137,280.66-44,143.12

Finding the Fourth Proportional to 91,557.28, 137,280.66 and 44,143.12

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Solution

The fourth proportional to 91,557.28, 137,280.66 and 44,143.12 is: 66,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,557.28 : 137,280.66 = 44,143.12 : x
  2. Step 2: Convert to fraction form
    91,557.28/137,280.66 = 44,143.12/x
  3. Step 3: Cross multiply
    91,557.28x = 137,280.66 × 44,143.12
  4. Step 4: Simplify right side
    91,557.28x = 6,059,996,648.06
  5. Step 5: Solve for x
    x = 6,059,996,648.06/91,557.28
  6. Step 6: Final answer
    x = 66,188.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.