Home / 52,125.57-78,296.67-42,141.60

Finding the Fourth Proportional to 52,125.57, 78,296.67 and 42,141.60

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Solution

The fourth proportional to 52,125.57, 78,296.67 and 42,141.60 is: 63,299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,125.57 : 78,296.67 = 42,141.60 : x
  2. Step 2: Convert to fraction form
    52,125.57/78,296.67 = 42,141.60/x
  3. Step 3: Cross multiply
    52,125.57x = 78,296.67 × 42,141.60
  4. Step 4: Simplify right side
    52,125.57x = 3,299,546,948.47
  5. Step 5: Solve for x
    x = 3,299,546,948.47/52,125.57
  6. Step 6: Final answer
    x = 63,299.97

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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.