Home / 52,716.24-78,996.60-42,348.24

Finding the Fourth Proportional to 52,716.24, 78,996.60 and 42,348.24

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Solution

The fourth proportional to 52,716.24, 78,996.60 and 42,348.24 is: 63,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,716.24 : 78,996.60 = 42,348.24 : x
  2. Step 2: Convert to fraction form
    52,716.24/78,996.60 = 42,348.24/x
  3. Step 3: Cross multiply
    52,716.24x = 78,996.60 × 42,348.24
  4. Step 4: Simplify right side
    52,716.24x = 3,345,366,975.98
  5. Step 5: Solve for x
    x = 3,345,366,975.98/52,716.24
  6. Step 6: Final answer
    x = 63,459.89

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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.