Home / 48,220.82-72,275.34-28,515.95

Finding the Fourth Proportional to 48,220.82, 72,275.34 and 28,515.95

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Solution

The fourth proportional to 48,220.82, 72,275.34 and 28,515.95 is: 42,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,220.82 : 72,275.34 = 28,515.95 : x
  2. Step 2: Convert to fraction form
    48,220.82/72,275.34 = 28,515.95/x
  3. Step 3: Cross multiply
    48,220.82x = 72,275.34 × 28,515.95
  4. Step 4: Simplify right side
    48,220.82x = 2,060,999,837.86
  5. Step 5: Solve for x
    x = 2,060,999,837.86/48,220.82
  6. Step 6: Final answer
    x = 42,740.87

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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.