Home / 99,202.86-148,775.13-54,821.34

Finding the Fourth Proportional to 99,202.86, 148,775.13 and 54,821.34

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Solution

The fourth proportional to 99,202.86, 148,775.13 and 54,821.34 is: 82,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,202.86 : 148,775.13 = 54,821.34 : x
  2. Step 2: Convert to fraction form
    99,202.86/148,775.13 = 54,821.34/x
  3. Step 3: Cross multiply
    99,202.86x = 148,775.13 × 54,821.34
  4. Step 4: Simplify right side
    99,202.86x = 8,156,051,985.27
  5. Step 5: Solve for x
    x = 8,156,051,985.27/99,202.86
  6. Step 6: Final answer
    x = 82,215.90

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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.