Home / 64,253.21-96,402.87-28,711.55

Finding the Fourth Proportional to 64,253.21, 96,402.87 and 28,711.55

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Solution

The fourth proportional to 64,253.21, 96,402.87 and 28,711.55 is: 43,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,253.21 : 96,402.87 = 28,711.55 : x
  2. Step 2: Convert to fraction form
    64,253.21/96,402.87 = 28,711.55/x
  3. Step 3: Cross multiply
    64,253.21x = 96,402.87 × 28,711.55
  4. Step 4: Simplify right side
    64,253.21x = 2,767,876,063.16
  5. Step 5: Solve for x
    x = 2,767,876,063.16/64,253.21
  6. Step 6: Final answer
    x = 43,077.63

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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.