Home / 90,289.47-124,620.20-60,076.06

Finding the Fourth Proportional to 90,289.47, 124,620.20 and 60,076.06

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Solution

The fourth proportional to 90,289.47, 124,620.20 and 60,076.06 is: 82,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,289.47 : 124,620.20 = 60,076.06 : x
  2. Step 2: Convert to fraction form
    90,289.47/124,620.20 = 60,076.06/x
  3. Step 3: Cross multiply
    90,289.47x = 124,620.20 × 60,076.06
  4. Step 4: Simplify right side
    90,289.47x = 7,486,690,612.41
  5. Step 5: Solve for x
    x = 7,486,690,612.41/90,289.47
  6. Step 6: Final answer
    x = 82,918.76

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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.