Home / 80,815.01-111,524.09-46,822.76

Finding the Fourth Proportional to 80,815.01, 111,524.09 and 46,822.76

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Solution

The fourth proportional to 80,815.01, 111,524.09 and 46,822.76 is: 64,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,815.01 : 111,524.09 = 46,822.76 : x
  2. Step 2: Convert to fraction form
    80,815.01/111,524.09 = 46,822.76/x
  3. Step 3: Cross multiply
    80,815.01x = 111,524.09 × 46,822.76
  4. Step 4: Simplify right side
    80,815.01x = 5,221,864,908.55
  5. Step 5: Solve for x
    x = 5,221,864,908.55/80,815.01
  6. Step 6: Final answer
    x = 64,615.04

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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.