Home / 75,270.14-103,787.16-61,614.76

Finding the Fourth Proportional to 75,270.14, 103,787.16 and 61,614.76

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Solution

The fourth proportional to 75,270.14, 103,787.16 and 61,614.76 is: 84,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,270.14 : 103,787.16 = 61,614.76 : x
  2. Step 2: Convert to fraction form
    75,270.14/103,787.16 = 61,614.76/x
  3. Step 3: Cross multiply
    75,270.14x = 103,787.16 × 61,614.76
  4. Step 4: Simplify right side
    75,270.14x = 6,394,820,435.55
  5. Step 5: Solve for x
    x = 6,394,820,435.55/75,270.14
  6. Step 6: Final answer
    x = 84,958.26

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1.5x scale

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.