Home / 75,311.07-112,887.78-25,373.91

Finding the Fourth Proportional to 75,311.07, 112,887.78 and 25,373.91

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Solution

The fourth proportional to 75,311.07, 112,887.78 and 25,373.91 is: 38,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,311.07 : 112,887.78 = 25,373.91 : x
  2. Step 2: Convert to fraction form
    75,311.07/112,887.78 = 25,373.91/x
  3. Step 3: Cross multiply
    75,311.07x = 112,887.78 × 25,373.91
  4. Step 4: Simplify right side
    75,311.07x = 2,864,404,369.82
  5. Step 5: Solve for x
    x = 2,864,404,369.82/75,311.07
  6. Step 6: Final answer
    x = 38,034.31

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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.