Home / 99,077.42-148,362.40-54,654.80

Finding the Fourth Proportional to 99,077.42, 148,362.40 and 54,654.80

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Solution

The fourth proportional to 99,077.42, 148,362.40 and 54,654.80 is: 81,842.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077.42 : 148,362.40 = 54,654.80 : x
  2. Step 2: Convert to fraction form
    99,077.42/148,362.40 = 54,654.80/x
  3. Step 3: Cross multiply
    99,077.42x = 148,362.40 × 54,654.80
  4. Step 4: Simplify right side
    99,077.42x = 8,108,717,299.52
  5. Step 5: Solve for x
    x = 8,108,717,299.52/99,077.42
  6. Step 6: Final answer
    x = 81,842.23

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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.