Home / 84,253.25-126,477.08-42,787.73

Finding the Fourth Proportional to 84,253.25, 126,477.08 and 42,787.73

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Solution

The fourth proportional to 84,253.25, 126,477.08 and 42,787.73 is: 64,230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,253.25 : 126,477.08 = 42,787.73 : x
  2. Step 2: Convert to fraction form
    84,253.25/126,477.08 = 42,787.73/x
  3. Step 3: Cross multiply
    84,253.25x = 126,477.08 × 42,787.73
  4. Step 4: Simplify right side
    84,253.25x = 5,411,667,150.23
  5. Step 5: Solve for x
    x = 5,411,667,150.23/84,253.25
  6. Step 6: Final answer
    x = 64,230.96

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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.