Home / 90,114.54-124,353.02-49,825.88

Finding the Fourth Proportional to 90,114.54, 124,353.02 and 49,825.88

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Solution

The fourth proportional to 90,114.54, 124,353.02 and 49,825.88 is: 68,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,114.54 : 124,353.02 = 49,825.88 : x
  2. Step 2: Convert to fraction form
    90,114.54/124,353.02 = 49,825.88/x
  3. Step 3: Cross multiply
    90,114.54x = 124,353.02 × 49,825.88
  4. Step 4: Simplify right side
    90,114.54x = 6,195,998,652.16
  5. Step 5: Solve for x
    x = 6,195,998,652.16/90,114.54
  6. Step 6: Final answer
    x = 68,756.92

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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.