Home / 142,553.72-213,878.04-47,793.24

Finding the Fourth Proportional to 142,553.72, 213,878.04 and 47,793.24

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Solution

The fourth proportional to 142,553.72, 213,878.04 and 47,793.24 is: 71,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,553.72 : 213,878.04 = 47,793.24 : x
  2. Step 2: Convert to fraction form
    142,553.72/213,878.04 = 47,793.24/x
  3. Step 3: Cross multiply
    142,553.72x = 213,878.04 × 47,793.24
  4. Step 4: Simplify right side
    142,553.72x = 10,221,924,496.45
  5. Step 5: Solve for x
    x = 10,221,924,496.45/142,553.72
  6. Step 6: Final answer
    x = 71,705.77

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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.