Home / 112,476.24-155,211.12-62,172

Finding the Fourth Proportional to 112,476.24, 155,211.12 and 62,172

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Solution

The fourth proportional to 112,476.24, 155,211.12 and 62,172 is: 85,793.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,476.24 : 155,211.12 = 62,172 : x
  2. Step 2: Convert to fraction form
    112,476.24/155,211.12 = 62,172/x
  3. Step 3: Cross multiply
    112,476.24x = 155,211.12 × 62,172
  4. Step 4: Simplify right side
    112,476.24x = 9,649,785,752.64
  5. Step 5: Solve for x
    x = 9,649,785,752.64/112,476.24
  6. Step 6: Final answer
    x = 85,793.99

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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.