Home / 48,708.90-73,076.04-15,429.42

Finding the Fourth Proportional to 48,708.90, 73,076.04 and 15,429.42

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Solution

The fourth proportional to 48,708.90, 73,076.04 and 15,429.42 is: 23,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,708.90 : 73,076.04 = 15,429.42 : x
  2. Step 2: Convert to fraction form
    48,708.90/73,076.04 = 15,429.42/x
  3. Step 3: Cross multiply
    48,708.90x = 73,076.04 × 15,429.42
  4. Step 4: Simplify right side
    48,708.90x = 1,127,520,913.10
  5. Step 5: Solve for x
    x = 1,127,520,913.10/48,708.90
  6. Step 6: Final answer
    x = 23,148.15

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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.