Home / 79,701.01-109,988.11-43,891.16

Finding the Fourth Proportional to 79,701.01, 109,988.11 and 43,891.16

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Solution

The fourth proportional to 79,701.01, 109,988.11 and 43,891.16 is: 60,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,701.01 : 109,988.11 = 43,891.16 : x
  2. Step 2: Convert to fraction form
    79,701.01/109,988.11 = 43,891.16/x
  3. Step 3: Cross multiply
    79,701.01x = 109,988.11 × 43,891.16
  4. Step 4: Simplify right side
    79,701.01x = 4,827,505,734.11
  5. Step 5: Solve for x
    x = 4,827,505,734.11/79,701.01
  6. Step 6: Final answer
    x = 60,570.20

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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.