Home / 85,077.35-127,637.04-35,171.72

Finding the Fourth Proportional to 85,077.35, 127,637.04 and 35,171.72

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Solution

The fourth proportional to 85,077.35, 127,637.04 and 35,171.72 is: 52,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,077.35 : 127,637.04 = 35,171.72 : x
  2. Step 2: Convert to fraction form
    85,077.35/127,637.04 = 35,171.72/x
  3. Step 3: Cross multiply
    85,077.35x = 127,637.04 × 35,171.72
  4. Step 4: Simplify right side
    85,077.35x = 4,489,213,594.32
  5. Step 5: Solve for x
    x = 4,489,213,594.32/85,077.35
  6. Step 6: Final answer
    x = 52,766.26

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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.