Home / 61,276.87-91,993.08-52,101.19

Finding the Fourth Proportional to 61,276.87, 91,993.08 and 52,101.19

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Solution

The fourth proportional to 61,276.87, 91,993.08 and 52,101.19 is: 78,217.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,276.87 : 91,993.08 = 52,101.19 : x
  2. Step 2: Convert to fraction form
    61,276.87/91,993.08 = 52,101.19/x
  3. Step 3: Cross multiply
    61,276.87x = 91,993.08 × 52,101.19
  4. Step 4: Simplify right side
    61,276.87x = 4,792,948,939.77
  5. Step 5: Solve for x
    x = 4,792,948,939.77/61,276.87
  6. Step 6: Final answer
    x = 78,217.91

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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.