Home / 60,515.20-90,772.80-32,867.20

Finding the Fourth Proportional to 60,515.20, 90,772.80 and 32,867.20

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Solution

The fourth proportional to 60,515.20, 90,772.80 and 32,867.20 is: 49,300.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,515.20 : 90,772.80 = 32,867.20 : x
  2. Step 2: Convert to fraction form
    60,515.20/90,772.80 = 32,867.20/x
  3. Step 3: Cross multiply
    60,515.20x = 90,772.80 × 32,867.20
  4. Step 4: Simplify right side
    60,515.20x = 2,983,447,772.16
  5. Step 5: Solve for x
    x = 2,983,447,772.16/60,515.20
  6. Step 6: Final answer
    x = 49,300.80

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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.