Home / 79,968.32-110,273.46-68,675.20

Finding the Fourth Proportional to 79,968.32, 110,273.46 and 68,675.20

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Solution

The fourth proportional to 79,968.32, 110,273.46 and 68,675.20 is: 94,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,968.32 : 110,273.46 = 68,675.20 : x
  2. Step 2: Convert to fraction form
    79,968.32/110,273.46 = 68,675.20/x
  3. Step 3: Cross multiply
    79,968.32x = 110,273.46 × 68,675.20
  4. Step 4: Simplify right side
    79,968.32x = 7,573,051,920.19
  5. Step 5: Solve for x
    x = 7,573,051,920.19/79,968.32
  6. Step 6: Final answer
    x = 94,700.65

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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.