Home / 48,664.57-72,990.54-15,387.99

Finding the Fourth Proportional to 48,664.57, 72,990.54 and 15,387.99

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Solution

The fourth proportional to 48,664.57, 72,990.54 and 15,387.99 is: 23,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664.57 : 72,990.54 = 15,387.99 : x
  2. Step 2: Convert to fraction form
    48,664.57/72,990.54 = 15,387.99/x
  3. Step 3: Cross multiply
    48,664.57x = 72,990.54 × 15,387.99
  4. Step 4: Simplify right side
    48,664.57x = 1,123,177,699.61
  5. Step 5: Solve for x
    x = 1,123,177,699.61/48,664.57
  6. Step 6: Final answer
    x = 23,079.99

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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.