Home / 65,828.06-90,842.34-35,613.30

Finding the Fourth Proportional to 65,828.06, 90,842.34 and 35,613.30

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Solution

The fourth proportional to 65,828.06, 90,842.34 and 35,613.30 is: 49,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,828.06 : 90,842.34 = 35,613.30 : x
  2. Step 2: Convert to fraction form
    65,828.06/90,842.34 = 35,613.30/x
  3. Step 3: Cross multiply
    65,828.06x = 90,842.34 × 35,613.30
  4. Step 4: Simplify right side
    65,828.06x = 3,235,195,507.12
  5. Step 5: Solve for x
    x = 3,235,195,507.12/65,828.06
  6. Step 6: Final answer
    x = 49,146.15

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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.