Home / 112,147.67-154,763.68-61,160.50

Finding the Fourth Proportional to 112,147.67, 154,763.68 and 61,160.50

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Solution

The fourth proportional to 112,147.67, 154,763.68 and 61,160.50 is: 84,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,147.67 : 154,763.68 = 61,160.50 : x
  2. Step 2: Convert to fraction form
    112,147.67/154,763.68 = 61,160.50/x
  3. Step 3: Cross multiply
    112,147.67x = 154,763.68 × 61,160.50
  4. Step 4: Simplify right side
    112,147.67x = 9,465,424,050.64
  5. Step 5: Solve for x
    x = 9,465,424,050.64/112,147.67
  6. Step 6: Final answer
    x = 84,401.43

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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.