Home / 81,074.32-111,882.90-45,262.24

Finding the Fourth Proportional to 81,074.32, 111,882.90 and 45,262.24

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Solution

The fourth proportional to 81,074.32, 111,882.90 and 45,262.24 is: 62,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,074.32 : 111,882.90 = 45,262.24 : x
  2. Step 2: Convert to fraction form
    81,074.32/111,882.90 = 45,262.24/x
  3. Step 3: Cross multiply
    81,074.32x = 111,882.90 × 45,262.24
  4. Step 4: Simplify right side
    81,074.32x = 5,064,070,671.70
  5. Step 5: Solve for x
    x = 5,064,070,671.70/81,074.32
  6. Step 6: Final answer
    x = 62,462.08

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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.