Home / 112,034.78-154,607.23-61,733.78

Finding the Fourth Proportional to 112,034.78, 154,607.23 and 61,733.78

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Solution

The fourth proportional to 112,034.78, 154,607.23 and 61,733.78 is: 85,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,034.78 : 154,607.23 = 61,733.78 : x
  2. Step 2: Convert to fraction form
    112,034.78/154,607.23 = 61,733.78/x
  3. Step 3: Cross multiply
    112,034.78x = 154,607.23 × 61,733.78
  4. Step 4: Simplify right side
    112,034.78x = 9,544,488,723.23
  5. Step 5: Solve for x
    x = 9,544,488,723.23/112,034.78
  6. Step 6: Final answer
    x = 85,192.19

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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.