Home / 64,760.11-89,373.52-36,081.65

Finding the Fourth Proportional to 64,760.11, 89,373.52 and 36,081.65

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Solution

The fourth proportional to 64,760.11, 89,373.52 and 36,081.65 is: 49,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,760.11 : 89,373.52 = 36,081.65 : x
  2. Step 2: Convert to fraction form
    64,760.11/89,373.52 = 36,081.65/x
  3. Step 3: Cross multiply
    64,760.11x = 89,373.52 × 36,081.65
  4. Step 4: Simplify right side
    64,760.11x = 3,224,744,381.55
  5. Step 5: Solve for x
    x = 3,224,744,381.55/64,760.11
  6. Step 6: Final answer
    x = 49,795.23

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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.