Home / 75,848.28-113,687.61-28,417.74

Finding the Fourth Proportional to 75,848.28, 113,687.61 and 28,417.74

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Solution

The fourth proportional to 75,848.28, 113,687.61 and 28,417.74 is: 42,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,848.28 : 113,687.61 = 28,417.74 : x
  2. Step 2: Convert to fraction form
    75,848.28/113,687.61 = 28,417.74/x
  3. Step 3: Cross multiply
    75,848.28x = 113,687.61 × 28,417.74
  4. Step 4: Simplify right side
    75,848.28x = 3,230,744,942.20
  5. Step 5: Solve for x
    x = 3,230,744,942.20/75,848.28
  6. Step 6: Final answer
    x = 42,594.83

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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.