Home / 81,552.14-112,548.09-45,260.43

Finding the Fourth Proportional to 81,552.14, 112,548.09 and 45,260.43

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Solution

The fourth proportional to 81,552.14, 112,548.09 and 45,260.43 is: 62,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,552.14 : 112,548.09 = 45,260.43 : x
  2. Step 2: Convert to fraction form
    81,552.14/112,548.09 = 45,260.43/x
  3. Step 3: Cross multiply
    81,552.14x = 112,548.09 × 45,260.43
  4. Step 4: Simplify right side
    81,552.14x = 5,093,974,949.08
  5. Step 5: Solve for x
    x = 5,093,974,949.08/81,552.14
  6. Step 6: Final answer
    x = 62,462.80

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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.