Home / 75,102.42-103,634.28-44,881.72

Finding the Fourth Proportional to 75,102.42, 103,634.28 and 44,881.72

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Solution

The fourth proportional to 75,102.42, 103,634.28 and 44,881.72 is: 61,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,102.42 : 103,634.28 = 44,881.72 : x
  2. Step 2: Convert to fraction form
    75,102.42/103,634.28 = 44,881.72/x
  3. Step 3: Cross multiply
    75,102.42x = 103,634.28 × 44,881.72
  4. Step 4: Simplify right side
    75,102.42x = 4,651,284,737.36
  5. Step 5: Solve for x
    x = 4,651,284,737.36/75,102.42
  6. Step 6: Final answer
    x = 61,932.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.