Home / 112,756.38-155,604.10-62,455.38

Finding the Fourth Proportional to 112,756.38, 155,604.10 and 62,455.38

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Solution

The fourth proportional to 112,756.38, 155,604.10 and 62,455.38 is: 86,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,756.38 : 155,604.10 = 62,455.38 : x
  2. Step 2: Convert to fraction form
    112,756.38/155,604.10 = 62,455.38/x
  3. Step 3: Cross multiply
    112,756.38x = 155,604.10 × 62,455.38
  4. Step 4: Simplify right side
    112,756.38x = 9,718,313,195.06
  5. Step 5: Solve for x
    x = 9,718,313,195.06/112,756.38
  6. Step 6: Final answer
    x = 86,188.59

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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.