Home / 77,031.28-115,523.97-32,657.32

Finding the Fourth Proportional to 77,031.28, 115,523.97 and 32,657.32

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Solution

The fourth proportional to 77,031.28, 115,523.97 and 32,657.32 is: 48,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031.28 : 115,523.97 = 32,657.32 : x
  2. Step 2: Convert to fraction form
    77,031.28/115,523.97 = 32,657.32/x
  3. Step 3: Cross multiply
    77,031.28x = 115,523.97 × 32,657.32
  4. Step 4: Simplify right side
    77,031.28x = 3,772,703,255.96
  5. Step 5: Solve for x
    x = 3,772,703,255.96/77,031.28
  6. Step 6: Final answer
    x = 48,976.25

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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.