Home / 75,623.70-113,397.28-42,334.82

Finding the Fourth Proportional to 75,623.70, 113,397.28 and 42,334.82

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Solution

The fourth proportional to 75,623.70, 113,397.28 and 42,334.82 is: 63,480.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.70 : 113,397.28 = 42,334.82 : x
  2. Step 2: Convert to fraction form
    75,623.70/113,397.28 = 42,334.82/x
  3. Step 3: Cross multiply
    75,623.70x = 113,397.28 × 42,334.82
  4. Step 4: Simplify right side
    75,623.70x = 4,800,653,614.95
  5. Step 5: Solve for x
    x = 4,800,653,614.95/75,623.70
  6. Step 6: Final answer
    x = 63,480.81

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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.