Home / 88,107.32-121,594.12-49,866.90

Finding the Fourth Proportional to 88,107.32, 121,594.12 and 49,866.90

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Solution

The fourth proportional to 88,107.32, 121,594.12 and 49,866.90 is: 68,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,107.32 : 121,594.12 = 49,866.90 : x
  2. Step 2: Convert to fraction form
    88,107.32/121,594.12 = 49,866.90/x
  3. Step 3: Cross multiply
    88,107.32x = 121,594.12 × 49,866.90
  4. Step 4: Simplify right side
    88,107.32x = 6,063,521,822.63
  5. Step 5: Solve for x
    x = 6,063,521,822.63/88,107.32
  6. Step 6: Final answer
    x = 68,819.73

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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.