Home / 75,988.22-113,948.85-40,440.96

Finding the Fourth Proportional to 75,988.22, 113,948.85 and 40,440.96

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Solution

The fourth proportional to 75,988.22, 113,948.85 and 40,440.96 is: 60,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,988.22 : 113,948.85 = 40,440.96 : x
  2. Step 2: Convert to fraction form
    75,988.22/113,948.85 = 40,440.96/x
  3. Step 3: Cross multiply
    75,988.22x = 113,948.85 × 40,440.96
  4. Step 4: Simplify right side
    75,988.22x = 4,608,201,036.55
  5. Step 5: Solve for x
    x = 4,608,201,036.55/75,988.22
  6. Step 6: Final answer
    x = 60,643.63

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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.