Home / 60,911.81-91,306.36-25,392.78

Finding the Fourth Proportional to 60,911.81, 91,306.36 and 25,392.78

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Solution

The fourth proportional to 60,911.81, 91,306.36 and 25,392.78 is: 38,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,911.81 : 91,306.36 = 25,392.78 : x
  2. Step 2: Convert to fraction form
    60,911.81/91,306.36 = 25,392.78/x
  3. Step 3: Cross multiply
    60,911.81x = 91,306.36 × 25,392.78
  4. Step 4: Simplify right side
    60,911.81x = 2,318,522,312.08
  5. Step 5: Solve for x
    x = 2,318,522,312.08/60,911.81
  6. Step 6: Final answer
    x = 38,063.59

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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.