Home / 84,088.36-126,141.20-48,589.48

Finding the Fourth Proportional to 84,088.36, 126,141.20 and 48,589.48

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Solution

The fourth proportional to 84,088.36, 126,141.20 and 48,589.48 is: 72,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,088.36 : 126,141.20 = 48,589.48 : x
  2. Step 2: Convert to fraction form
    84,088.36/126,141.20 = 48,589.48/x
  3. Step 3: Cross multiply
    84,088.36x = 126,141.20 × 48,589.48
  4. Step 4: Simplify right side
    84,088.36x = 6,129,135,314.58
  5. Step 5: Solve for x
    x = 6,129,135,314.58/84,088.36
  6. Step 6: Final answer
    x = 72,889.22

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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.