Home / 79,402.12-109,569.96-43,591.90

Finding the Fourth Proportional to 79,402.12, 109,569.96 and 43,591.90

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Solution

The fourth proportional to 79,402.12, 109,569.96 and 43,591.90 is: 60,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,402.12 : 109,569.96 = 43,591.90 : x
  2. Step 2: Convert to fraction form
    79,402.12/109,569.96 = 43,591.90/x
  3. Step 3: Cross multiply
    79,402.12x = 109,569.96 × 43,591.90
  4. Step 4: Simplify right side
    79,402.12x = 4,776,362,739.32
  5. Step 5: Solve for x
    x = 4,776,362,739.32/79,402.12
  6. Step 6: Final answer
    x = 60,154.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.