Home / 81,554.18-112,538.98-45,257.57

Finding the Fourth Proportional to 81,554.18, 112,538.98 and 45,257.57

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Solution

The fourth proportional to 81,554.18, 112,538.98 and 45,257.57 is: 62,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,554.18 : 112,538.98 = 45,257.57 : x
  2. Step 2: Convert to fraction form
    81,554.18/112,538.98 = 45,257.57/x
  3. Step 3: Cross multiply
    81,554.18x = 112,538.98 × 45,257.57
  4. Step 4: Simplify right side
    81,554.18x = 5,093,240,765.08
  5. Step 5: Solve for x
    x = 5,093,240,765.08/81,554.18
  6. Step 6: Final answer
    x = 62,452.23

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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.