Home / 81,549.07-112,544.51-45,253.94

Finding the Fourth Proportional to 81,549.07, 112,544.51 and 45,253.94

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Solution

The fourth proportional to 81,549.07, 112,544.51 and 45,253.94 is: 62,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,549.07 : 112,544.51 = 45,253.94 : x
  2. Step 2: Convert to fraction form
    81,549.07/112,544.51 = 45,253.94/x
  3. Step 3: Cross multiply
    81,549.07x = 112,544.51 × 45,253.94
  4. Step 4: Simplify right side
    81,549.07x = 5,093,081,713.88
  5. Step 5: Solve for x
    x = 5,093,081,713.88/81,549.07
  6. Step 6: Final answer
    x = 62,454.20

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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.