Home / 79,066.08-109,113.88-45,079.56

Finding the Fourth Proportional to 79,066.08, 109,113.88 and 45,079.56

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Solution

The fourth proportional to 79,066.08, 109,113.88 and 45,079.56 is: 62,211.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,066.08 : 109,113.88 = 45,079.56 : x
  2. Step 2: Convert to fraction form
    79,066.08/109,113.88 = 45,079.56/x
  3. Step 3: Cross multiply
    79,066.08x = 109,113.88 × 45,079.56
  4. Step 4: Simplify right side
    79,066.08x = 4,918,805,700.29
  5. Step 5: Solve for x
    x = 4,918,805,700.29/79,066.08
  6. Step 6: Final answer
    x = 62,211.33

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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.