Home / 75,531.06-113,218.82-40,461.30

Finding the Fourth Proportional to 75,531.06, 113,218.82 and 40,461.30

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Solution

The fourth proportional to 75,531.06, 113,218.82 and 40,461.30 is: 60,650.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,531.06 : 113,218.82 = 40,461.30 : x
  2. Step 2: Convert to fraction form
    75,531.06/113,218.82 = 40,461.30/x
  3. Step 3: Cross multiply
    75,531.06x = 113,218.82 × 40,461.30
  4. Step 4: Simplify right side
    75,531.06x = 4,580,980,641.67
  5. Step 5: Solve for x
    x = 4,580,980,641.67/75,531.06
  6. Step 6: Final answer
    x = 60,650.29

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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.