Home / 83,209.62-114,830.04-47,399.10

Finding the Fourth Proportional to 83,209.62, 114,830.04 and 47,399.10

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Solution

The fourth proportional to 83,209.62, 114,830.04 and 47,399.10 is: 65,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209.62 : 114,830.04 = 47,399.10 : x
  2. Step 2: Convert to fraction form
    83,209.62/114,830.04 = 47,399.10/x
  3. Step 3: Cross multiply
    83,209.62x = 114,830.04 × 47,399.10
  4. Step 4: Simplify right side
    83,209.62x = 5,442,840,548.96
  5. Step 5: Solve for x
    x = 5,442,840,548.96/83,209.62
  6. Step 6: Final answer
    x = 65,411.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.