Home / 81,180.56-112,029.33-45,370.57

Finding the Fourth Proportional to 81,180.56, 112,029.33 and 45,370.57

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Solution

The fourth proportional to 81,180.56, 112,029.33 and 45,370.57 is: 62,611.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,180.56 : 112,029.33 = 45,370.57 : x
  2. Step 2: Convert to fraction form
    81,180.56/112,029.33 = 45,370.57/x
  3. Step 3: Cross multiply
    81,180.56x = 112,029.33 × 45,370.57
  4. Step 4: Simplify right side
    81,180.56x = 5,082,834,278.74
  5. Step 5: Solve for x
    x = 5,082,834,278.74/81,180.56
  6. Step 6: Final answer
    x = 62,611.47

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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.