Home / 106,943.78-147,597.96-61,612.94

Finding the Fourth Proportional to 106,943.78, 147,597.96 and 61,612.94

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Solution

The fourth proportional to 106,943.78, 147,597.96 and 61,612.94 is: 85,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,943.78 : 147,597.96 = 61,612.94 : x
  2. Step 2: Convert to fraction form
    106,943.78/147,597.96 = 61,612.94/x
  3. Step 3: Cross multiply
    106,943.78x = 147,597.96 × 61,612.94
  4. Step 4: Simplify right side
    106,943.78x = 9,093,944,853.65
  5. Step 5: Solve for x
    x = 9,093,944,853.65/106,943.78
  6. Step 6: Final answer
    x = 85,034.82

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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.