Home / 112,717.84-155,549.50-61,034.70

Finding the Fourth Proportional to 112,717.84, 155,549.50 and 61,034.70

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Solution

The fourth proportional to 112,717.84, 155,549.50 and 61,034.70 is: 84,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,717.84 : 155,549.50 = 61,034.70 : x
  2. Step 2: Convert to fraction form
    112,717.84/155,549.50 = 61,034.70/x
  3. Step 3: Cross multiply
    112,717.84x = 155,549.50 × 61,034.70
  4. Step 4: Simplify right side
    112,717.84x = 9,493,917,067.65
  5. Step 5: Solve for x
    x = 9,493,917,067.65/112,717.84
  6. Step 6: Final answer
    x = 84,227.28

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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.