Home / 60,671.40-90,532.46-54,367.20

Finding the Fourth Proportional to 60,671.40, 90,532.46 and 54,367.20

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Solution

The fourth proportional to 60,671.40, 90,532.46 and 54,367.20 is: 81,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,671.40 : 90,532.46 = 54,367.20 : x
  2. Step 2: Convert to fraction form
    60,671.40/90,532.46 = 54,367.20/x
  3. Step 3: Cross multiply
    60,671.40x = 90,532.46 × 54,367.20
  4. Step 4: Simplify right side
    60,671.40x = 4,921,996,359.31
  5. Step 5: Solve for x
    x = 4,921,996,359.31/60,671.40
  6. Step 6: Final answer
    x = 81,125.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.