Home / 55,715.97-76,798.14-45,626.61

Finding the Fourth Proportional to 55,715.97, 76,798.14 and 45,626.61

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Solution

The fourth proportional to 55,715.97, 76,798.14 and 45,626.61 is: 62,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715.97 : 76,798.14 = 45,626.61 : x
  2. Step 2: Convert to fraction form
    55,715.97/76,798.14 = 45,626.61/x
  3. Step 3: Cross multiply
    55,715.97x = 76,798.14 × 45,626.61
  4. Step 4: Simplify right side
    55,715.97x = 3,504,038,724.06
  5. Step 5: Solve for x
    x = 3,504,038,724.06/55,715.97
  6. Step 6: Final answer
    x = 62,891.10

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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.