Home / 48,990.29-73,478.07-15,705.86

Finding the Fourth Proportional to 48,990.29, 73,478.07 and 15,705.86

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Solution

The fourth proportional to 48,990.29, 73,478.07 and 15,705.86 is: 23,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,990.29 : 73,478.07 = 15,705.86 : x
  2. Step 2: Convert to fraction form
    48,990.29/73,478.07 = 15,705.86/x
  3. Step 3: Cross multiply
    48,990.29x = 73,478.07 × 15,705.86
  4. Step 4: Simplify right side
    48,990.29x = 1,154,035,913.10
  5. Step 5: Solve for x
    x = 1,154,035,913.10/48,990.29
  6. Step 6: Final answer
    x = 23,556.42

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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.