Home / 97,687.20-146,341.56-55,439.52

Finding the Fourth Proportional to 97,687.20, 146,341.56 and 55,439.52

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Solution

The fourth proportional to 97,687.20, 146,341.56 and 55,439.52 is: 83,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,687.20 : 146,341.56 = 55,439.52 : x
  2. Step 2: Convert to fraction form
    97,687.20/146,341.56 = 55,439.52/x
  3. Step 3: Cross multiply
    97,687.20x = 146,341.56 × 55,439.52
  4. Step 4: Simplify right side
    97,687.20x = 8,113,105,842.45
  5. Step 5: Solve for x
    x = 8,113,105,842.45/97,687.20
  6. Step 6: Final answer
    x = 83,051.88

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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.