Home / 74,689.28-112,051.42-29,713.18

Finding the Fourth Proportional to 74,689.28, 112,051.42 and 29,713.18

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Solution

The fourth proportional to 74,689.28, 112,051.42 and 29,713.18 is: 44,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,689.28 : 112,051.42 = 29,713.18 : x
  2. Step 2: Convert to fraction form
    74,689.28/112,051.42 = 29,713.18/x
  3. Step 3: Cross multiply
    74,689.28x = 112,051.42 × 29,713.18
  4. Step 4: Simplify right side
    74,689.28x = 3,329,404,011.72
  5. Step 5: Solve for x
    x = 3,329,404,011.72/74,689.28
  6. Step 6: Final answer
    x = 44,576.73

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1.5x scale

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.