Home / 106,767.24-147,338-61,454.12

Finding the Fourth Proportional to 106,767.24, 147,338 and 61,454.12

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Solution

The fourth proportional to 106,767.24, 147,338 and 61,454.12 is: 84,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,767.24 : 147,338 = 61,454.12 : x
  2. Step 2: Convert to fraction form
    106,767.24/147,338 = 61,454.12/x
  3. Step 3: Cross multiply
    106,767.24x = 147,338 × 61,454.12
  4. Step 4: Simplify right side
    106,767.24x = 9,054,527,132.56
  5. Step 5: Solve for x
    x = 9,054,527,132.56/106,767.24
  6. Step 6: Final answer
    x = 84,806.23

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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.