Home / 75,127.34-112,748.15-27,787.22

Finding the Fourth Proportional to 75,127.34, 112,748.15 and 27,787.22

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Solution

The fourth proportional to 75,127.34, 112,748.15 and 27,787.22 is: 41,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.34 : 112,748.15 = 27,787.22 : x
  2. Step 2: Convert to fraction form
    75,127.34/112,748.15 = 27,787.22/x
  3. Step 3: Cross multiply
    75,127.34x = 112,748.15 × 27,787.22
  4. Step 4: Simplify right side
    75,127.34x = 3,132,956,945.97
  5. Step 5: Solve for x
    x = 3,132,956,945.97/75,127.34
  6. Step 6: Final answer
    x = 41,701.96

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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.