Home / 85,077.24-127,615.89-35,102.43

Finding the Fourth Proportional to 85,077.24, 127,615.89 and 35,102.43

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Solution

The fourth proportional to 85,077.24, 127,615.89 and 35,102.43 is: 52,653.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,077.24 : 127,615.89 = 35,102.43 : x
  2. Step 2: Convert to fraction form
    85,077.24/127,615.89 = 35,102.43/x
  3. Step 3: Cross multiply
    85,077.24x = 127,615.89 × 35,102.43
  4. Step 4: Simplify right side
    85,077.24x = 4,479,627,779.80
  5. Step 5: Solve for x
    x = 4,479,627,779.80/85,077.24
  6. Step 6: Final answer
    x = 52,653.66

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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.