Home / 65,110.85-97,565.25-45,159.26

Finding the Fourth Proportional to 65,110.85, 97,565.25 and 45,159.26

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Solution

The fourth proportional to 65,110.85, 97,565.25 and 45,159.26 is: 67,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,110.85 : 97,565.25 = 45,159.26 : x
  2. Step 2: Convert to fraction form
    65,110.85/97,565.25 = 45,159.26/x
  3. Step 3: Cross multiply
    65,110.85x = 97,565.25 × 45,159.26
  4. Step 4: Simplify right side
    65,110.85x = 4,405,974,003.89
  5. Step 5: Solve for x
    x = 4,405,974,003.89/65,110.85
  6. Step 6: Final answer
    x = 67,668.82

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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.