Home / 85,317.27-127,976.76-32,714.25

Finding the Fourth Proportional to 85,317.27, 127,976.76 and 32,714.25

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Solution

The fourth proportional to 85,317.27, 127,976.76 and 32,714.25 is: 49,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,317.27 : 127,976.76 = 32,714.25 : x
  2. Step 2: Convert to fraction form
    85,317.27/127,976.76 = 32,714.25/x
  3. Step 3: Cross multiply
    85,317.27x = 127,976.76 × 32,714.25
  4. Step 4: Simplify right side
    85,317.27x = 4,186,663,720.83
  5. Step 5: Solve for x
    x = 4,186,663,720.83/85,317.27
  6. Step 6: Final answer
    x = 49,071.70

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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.