Home / 61,837.47-92,680.20-28,511.28

Finding the Fourth Proportional to 61,837.47, 92,680.20 and 28,511.28

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Solution

The fourth proportional to 61,837.47, 92,680.20 and 28,511.28 is: 42,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,837.47 : 92,680.20 = 28,511.28 : x
  2. Step 2: Convert to fraction form
    61,837.47/92,680.20 = 28,511.28/x
  3. Step 3: Cross multiply
    61,837.47x = 92,680.20 × 28,511.28
  4. Step 4: Simplify right side
    61,837.47x = 2,642,431,132.66
  5. Step 5: Solve for x
    x = 2,642,431,132.66/61,837.47
  6. Step 6: Final answer
    x = 42,731.88

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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.