Home / 75,836.76-113,521.80-49,484.76

Finding the Fourth Proportional to 75,836.76, 113,521.80 and 49,484.76

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Solution

The fourth proportional to 75,836.76, 113,521.80 and 49,484.76 is: 74,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,836.76 : 113,521.80 = 49,484.76 : x
  2. Step 2: Convert to fraction form
    75,836.76/113,521.80 = 49,484.76/x
  3. Step 3: Cross multiply
    75,836.76x = 113,521.80 × 49,484.76
  4. Step 4: Simplify right side
    75,836.76x = 5,617,599,027.77
  5. Step 5: Solve for x
    x = 5,617,599,027.77/75,836.76
  6. Step 6: Final answer
    x = 74,074.88

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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.