Home / 113,102.20-169,718.10-43,031.80

Finding the Fourth Proportional to 113,102.20, 169,718.10 and 43,031.80

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Solution

The fourth proportional to 113,102.20, 169,718.10 and 43,031.80 is: 64,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,102.20 : 169,718.10 = 43,031.80 : x
  2. Step 2: Convert to fraction form
    113,102.20/169,718.10 = 43,031.80/x
  3. Step 3: Cross multiply
    113,102.20x = 169,718.10 × 43,031.80
  4. Step 4: Simplify right side
    113,102.20x = 7,303,275,335.58
  5. Step 5: Solve for x
    x = 7,303,275,335.58/113,102.20
  6. Step 6: Final answer
    x = 64,572.35

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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.