Home / 64,792.20-89,417.88-36,113.79

Finding the Fourth Proportional to 64,792.20, 89,417.88 and 36,113.79

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Solution

The fourth proportional to 64,792.20, 89,417.88 and 36,113.79 is: 49,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,792.20 : 89,417.88 = 36,113.79 : x
  2. Step 2: Convert to fraction form
    64,792.20/89,417.88 = 36,113.79/x
  3. Step 3: Cross multiply
    64,792.20x = 89,417.88 × 36,113.79
  4. Step 4: Simplify right side
    64,792.20x = 3,229,218,540.57
  5. Step 5: Solve for x
    x = 3,229,218,540.57/64,792.20
  6. Step 6: Final answer
    x = 49,839.62

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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.