Home / 81,595.25-112,609.53-54,793.56

Finding the Fourth Proportional to 81,595.25, 112,609.53 and 54,793.56

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Solution

The fourth proportional to 81,595.25, 112,609.53 and 54,793.56 is: 75,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,595.25 : 112,609.53 = 54,793.56 : x
  2. Step 2: Convert to fraction form
    81,595.25/112,609.53 = 54,793.56/x
  3. Step 3: Cross multiply
    81,595.25x = 112,609.53 × 54,793.56
  4. Step 4: Simplify right side
    81,595.25x = 6,170,277,038.63
  5. Step 5: Solve for x
    x = 6,170,277,038.63/81,595.25
  6. Step 6: Final answer
    x = 75,620.55

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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.