Home / 75,498.81-113,253.30-25,561.86

Finding the Fourth Proportional to 75,498.81, 113,253.30 and 25,561.86

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Solution

The fourth proportional to 75,498.81, 113,253.30 and 25,561.86 is: 38,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,498.81 : 113,253.30 = 25,561.86 : x
  2. Step 2: Convert to fraction form
    75,498.81/113,253.30 = 25,561.86/x
  3. Step 3: Cross multiply
    75,498.81x = 113,253.30 × 25,561.86
  4. Step 4: Simplify right side
    75,498.81x = 2,894,964,999.14
  5. Step 5: Solve for x
    x = 2,894,964,999.14/75,498.81
  6. Step 6: Final answer
    x = 38,344.51

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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.