Home / 51,619.12-77,376.40-34,980.84

Finding the Fourth Proportional to 51,619.12, 77,376.40 and 34,980.84

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Solution

The fourth proportional to 51,619.12, 77,376.40 and 34,980.84 is: 52,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.12 : 77,376.40 = 34,980.84 : x
  2. Step 2: Convert to fraction form
    51,619.12/77,376.40 = 34,980.84/x
  3. Step 3: Cross multiply
    51,619.12x = 77,376.40 × 34,980.84
  4. Step 4: Simplify right side
    51,619.12x = 2,706,691,468.18
  5. Step 5: Solve for x
    x = 2,706,691,468.18/51,619.12
  6. Step 6: Final answer
    x = 52,435.83

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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.