Home / 75,575.62-113,378.01-42,333.22

Finding the Fourth Proportional to 75,575.62, 113,378.01 and 42,333.22

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Solution

The fourth proportional to 75,575.62, 113,378.01 and 42,333.22 is: 63,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,575.62 : 113,378.01 = 42,333.22 : x
  2. Step 2: Convert to fraction form
    75,575.62/113,378.01 = 42,333.22/x
  3. Step 3: Cross multiply
    75,575.62x = 113,378.01 × 42,333.22
  4. Step 4: Simplify right side
    75,575.62x = 4,799,656,240.49
  5. Step 5: Solve for x
    x = 4,799,656,240.49/75,575.62
  6. Step 6: Final answer
    x = 63,508.00

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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.