Home / 48,990.79-73,478.82-15,706.36

Finding the Fourth Proportional to 48,990.79, 73,478.82 and 15,706.36

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Solution

The fourth proportional to 48,990.79, 73,478.82 and 15,706.36 is: 23,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,990.79 : 73,478.82 = 15,706.36 : x
  2. Step 2: Convert to fraction form
    48,990.79/73,478.82 = 15,706.36/x
  3. Step 3: Cross multiply
    48,990.79x = 73,478.82 × 15,706.36
  4. Step 4: Simplify right side
    48,990.79x = 1,154,084,799.30
  5. Step 5: Solve for x
    x = 1,154,084,799.30/48,990.79
  6. Step 6: Final answer
    x = 23,557.18

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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.