Home / 75,917.16-113,878.80-28,527.30

Finding the Fourth Proportional to 75,917.16, 113,878.80 and 28,527.30

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Solution

The fourth proportional to 75,917.16, 113,878.80 and 28,527.30 is: 42,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,917.16 : 113,878.80 = 28,527.30 : x
  2. Step 2: Convert to fraction form
    75,917.16/113,878.80 = 28,527.30/x
  3. Step 3: Cross multiply
    75,917.16x = 113,878.80 × 28,527.30
  4. Step 4: Simplify right side
    75,917.16x = 3,248,654,691.24
  5. Step 5: Solve for x
    x = 3,248,654,691.24/75,917.16
  6. Step 6: Final answer
    x = 42,792.10

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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.