Home / 81,734.32-112,793.80-45,925.84

Finding the Fourth Proportional to 81,734.32, 112,793.80 and 45,925.84

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Solution

The fourth proportional to 81,734.32, 112,793.80 and 45,925.84 is: 63,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,734.32 : 112,793.80 = 45,925.84 : x
  2. Step 2: Convert to fraction form
    81,734.32/112,793.80 = 45,925.84/x
  3. Step 3: Cross multiply
    81,734.32x = 112,793.80 × 45,925.84
  4. Step 4: Simplify right side
    81,734.32x = 5,180,150,011.79
  5. Step 5: Solve for x
    x = 5,180,150,011.79/81,734.32
  6. Step 6: Final answer
    x = 63,377.91

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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.