Home / 113,884.11-170,826.77-74,689.43

Finding the Fourth Proportional to 113,884.11, 170,826.77 and 74,689.43

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Solution

The fourth proportional to 113,884.11, 170,826.77 and 74,689.43 is: 112,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,884.11 : 170,826.77 = 74,689.43 : x
  2. Step 2: Convert to fraction form
    113,884.11/170,826.77 = 74,689.43/x
  3. Step 3: Cross multiply
    113,884.11x = 170,826.77 × 74,689.43
  4. Step 4: Simplify right side
    113,884.11x = 12,758,953,412.63
  5. Step 5: Solve for x
    x = 12,758,953,412.63/113,884.11
  6. Step 6: Final answer
    x = 112,034.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.