Home / 67,948.20-93,769.11-39,648.42

Finding the Fourth Proportional to 67,948.20, 93,769.11 and 39,648.42

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Solution

The fourth proportional to 67,948.20, 93,769.11 and 39,648.42 is: 54,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,948.20 : 93,769.11 = 39,648.42 : x
  2. Step 2: Convert to fraction form
    67,948.20/93,769.11 = 39,648.42/x
  3. Step 3: Cross multiply
    67,948.20x = 93,769.11 × 39,648.42
  4. Step 4: Simplify right side
    67,948.20x = 3,717,797,056.31
  5. Step 5: Solve for x
    x = 3,717,797,056.31/67,948.20
  6. Step 6: Final answer
    x = 54,715.17

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1.5x scale

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.