Home / 126,618.03-189,871.65-60,077.15

Finding the Fourth Proportional to 126,618.03, 189,871.65 and 60,077.15

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Solution

The fourth proportional to 126,618.03, 189,871.65 and 60,077.15 is: 90,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,618.03 : 189,871.65 = 60,077.15 : x
  2. Step 2: Convert to fraction form
    126,618.03/189,871.65 = 60,077.15/x
  3. Step 3: Cross multiply
    126,618.03x = 189,871.65 × 60,077.15
  4. Step 4: Simplify right side
    126,618.03x = 11,406,946,648.44
  5. Step 5: Solve for x
    x = 11,406,946,648.44/126,618.03
  6. Step 6: Final answer
    x = 90,089.43

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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.