Home / 112,021.47-154,588.77-61,034.04

Finding the Fourth Proportional to 112,021.47, 154,588.77 and 61,034.04

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Solution

The fourth proportional to 112,021.47, 154,588.77 and 61,034.04 is: 84,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,021.47 : 154,588.77 = 61,034.04 : x
  2. Step 2: Convert to fraction form
    112,021.47/154,588.77 = 61,034.04/x
  3. Step 3: Cross multiply
    112,021.47x = 154,588.77 × 61,034.04
  4. Step 4: Simplify right side
    112,021.47x = 9,435,177,171.73
  5. Step 5: Solve for x
    x = 9,435,177,171.73/112,021.47
  6. Step 6: Final answer
    x = 84,226.51

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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.