Home / 90,432.02-124,797.68-50,147.48

Finding the Fourth Proportional to 90,432.02, 124,797.68 and 50,147.48

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Solution

The fourth proportional to 90,432.02, 124,797.68 and 50,147.48 is: 69,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,432.02 : 124,797.68 = 50,147.48 : x
  2. Step 2: Convert to fraction form
    90,432.02/124,797.68 = 50,147.48/x
  3. Step 3: Cross multiply
    90,432.02x = 124,797.68 × 50,147.48
  4. Step 4: Simplify right side
    90,432.02x = 6,258,288,287.12
  5. Step 5: Solve for x
    x = 6,258,288,287.12/90,432.02
  6. Step 6: Final answer
    x = 69,204.34

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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.