Home / 67,381.20-93,004.56-39,096

Finding the Fourth Proportional to 67,381.20, 93,004.56 and 39,096

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Solution

The fourth proportional to 67,381.20, 93,004.56 and 39,096 is: 53,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,381.20 : 93,004.56 = 39,096 : x
  2. Step 2: Convert to fraction form
    67,381.20/93,004.56 = 39,096/x
  3. Step 3: Cross multiply
    67,381.20x = 93,004.56 × 39,096
  4. Step 4: Simplify right side
    67,381.20x = 3,636,106,277.76
  5. Step 5: Solve for x
    x = 3,636,106,277.76/67,381.20
  6. Step 6: Final answer
    x = 53,963.22

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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.