Home / 112,002.26-154,563.12-61,701.26

Finding the Fourth Proportional to 112,002.26, 154,563.12 and 61,701.26

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Solution

The fourth proportional to 112,002.26, 154,563.12 and 61,701.26 is: 85,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002.26 : 154,563.12 = 61,701.26 : x
  2. Step 2: Convert to fraction form
    112,002.26/154,563.12 = 61,701.26/x
  3. Step 3: Cross multiply
    112,002.26x = 154,563.12 × 61,701.26
  4. Step 4: Simplify right side
    112,002.26x = 9,536,739,639.94
  5. Step 5: Solve for x
    x = 9,536,739,639.94/112,002.26
  6. Step 6: Final answer
    x = 85,147.74

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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.