Home / 79,186.46-118,767.31-25,878.02

Finding the Fourth Proportional to 79,186.46, 118,767.31 and 25,878.02

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Solution

The fourth proportional to 79,186.46, 118,767.31 and 25,878.02 is: 38,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,186.46 : 118,767.31 = 25,878.02 : x
  2. Step 2: Convert to fraction form
    79,186.46/118,767.31 = 25,878.02/x
  3. Step 3: Cross multiply
    79,186.46x = 118,767.31 × 25,878.02
  4. Step 4: Simplify right side
    79,186.46x = 3,073,462,278.43
  5. Step 5: Solve for x
    x = 3,073,462,278.43/79,186.46
  6. Step 6: Final answer
    x = 38,812.98

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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.