Home / 81,549.33-112,544.85-45,254.18

Finding the Fourth Proportional to 81,549.33, 112,544.85 and 45,254.18

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Solution

The fourth proportional to 81,549.33, 112,544.85 and 45,254.18 is: 62,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,549.33 : 112,544.85 = 45,254.18 : x
  2. Step 2: Convert to fraction form
    81,549.33/112,544.85 = 45,254.18/x
  3. Step 3: Cross multiply
    81,549.33x = 112,544.85 × 45,254.18
  4. Step 4: Simplify right side
    81,549.33x = 5,093,124,899.97
  5. Step 5: Solve for x
    x = 5,093,124,899.97/81,549.33
  6. Step 6: Final answer
    x = 62,454.53

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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.