Home / 67,312.48-100,957.12-25,181.28

Finding the Fourth Proportional to 67,312.48, 100,957.12 and 25,181.28

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Solution

The fourth proportional to 67,312.48, 100,957.12 and 25,181.28 is: 37,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,312.48 : 100,957.12 = 25,181.28 : x
  2. Step 2: Convert to fraction form
    67,312.48/100,957.12 = 25,181.28/x
  3. Step 3: Cross multiply
    67,312.48x = 100,957.12 × 25,181.28
  4. Step 4: Simplify right side
    67,312.48x = 2,542,229,506.71
  5. Step 5: Solve for x
    x = 2,542,229,506.71/67,312.48
  6. Step 6: Final answer
    x = 37,767.58

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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.