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Finding the Fourth Proportional to 83,407.36, 125,000.36 and 43,992.32

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Solution

The fourth proportional to 83,407.36, 125,000.36 and 43,992.32 is: 65,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,407.36 : 125,000.36 = 43,992.32 : x
  2. Step 2: Convert to fraction form
    83,407.36/125,000.36 = 43,992.32/x
  3. Step 3: Cross multiply
    83,407.36x = 125,000.36 × 43,992.32
  4. Step 4: Simplify right side
    83,407.36x = 5,499,055,837.24
  5. Step 5: Solve for x
    x = 5,499,055,837.24/83,407.36
  6. Step 6: Final answer
    x = 65,930.10

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1.5x scale

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.