Home / 65,722.46-98,614.76-34,115.72

Finding the Fourth Proportional to 65,722.46, 98,614.76 and 34,115.72

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Solution

The fourth proportional to 65,722.46, 98,614.76 and 34,115.72 is: 51,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,722.46 : 98,614.76 = 34,115.72 : x
  2. Step 2: Convert to fraction form
    65,722.46/98,614.76 = 34,115.72/x
  3. Step 3: Cross multiply
    65,722.46x = 98,614.76 × 34,115.72
  4. Step 4: Simplify right side
    65,722.46x = 3,364,312,876.37
  5. Step 5: Solve for x
    x = 3,364,312,876.37/65,722.46
  6. Step 6: Final answer
    x = 51,189.70

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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.