Home / 67,432.82-93,088.78-39,133.04

Finding the Fourth Proportional to 67,432.82, 93,088.78 and 39,133.04

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Solution

The fourth proportional to 67,432.82, 93,088.78 and 39,133.04 is: 54,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,432.82 : 93,088.78 = 39,133.04 : x
  2. Step 2: Convert to fraction form
    67,432.82/93,088.78 = 39,133.04/x
  3. Step 3: Cross multiply
    67,432.82x = 93,088.78 × 39,133.04
  4. Step 4: Simplify right side
    67,432.82x = 3,642,846,388.01
  5. Step 5: Solve for x
    x = 3,642,846,388.01/67,432.82
  6. Step 6: Final answer
    x = 54,021.86

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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.