Home / 83,949.78-125,310.48-73,985.58

Finding the Fourth Proportional to 83,949.78, 125,310.48 and 73,985.58

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Solution

The fourth proportional to 83,949.78, 125,310.48 and 73,985.58 is: 110,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,949.78 : 125,310.48 = 73,985.58 : x
  2. Step 2: Convert to fraction form
    83,949.78/125,310.48 = 73,985.58/x
  3. Step 3: Cross multiply
    83,949.78x = 125,310.48 × 73,985.58
  4. Step 4: Simplify right side
    83,949.78x = 9,271,168,542.88
  5. Step 5: Solve for x
    x = 9,271,168,542.88/83,949.78
  6. Step 6: Final answer
    x = 110,437.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.