Home / 113,118.20-169,742.10-43,047.80

Finding the Fourth Proportional to 113,118.20, 169,742.10 and 43,047.80

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Solution

The fourth proportional to 113,118.20, 169,742.10 and 43,047.80 is: 64,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,118.20 : 169,742.10 = 43,047.80 : x
  2. Step 2: Convert to fraction form
    113,118.20/169,742.10 = 43,047.80/x
  3. Step 3: Cross multiply
    113,118.20x = 169,742.10 × 43,047.80
  4. Step 4: Simplify right side
    113,118.20x = 7,307,023,972.38
  5. Step 5: Solve for x
    x = 7,307,023,972.38/113,118.20
  6. Step 6: Final answer
    x = 64,596.36

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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.