Home / 88,257.30-121,797.45-47,973.78

Finding the Fourth Proportional to 88,257.30, 121,797.45 and 47,973.78

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Solution

The fourth proportional to 88,257.30, 121,797.45 and 47,973.78 is: 66,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,257.30 : 121,797.45 = 47,973.78 : x
  2. Step 2: Convert to fraction form
    88,257.30/121,797.45 = 47,973.78/x
  3. Step 3: Cross multiply
    88,257.30x = 121,797.45 × 47,973.78
  4. Step 4: Simplify right side
    88,257.30x = 5,843,084,107.21
  5. Step 5: Solve for x
    x = 5,843,084,107.21/88,257.30
  6. Step 6: Final answer
    x = 66,205.11

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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.