Home / 52,089.75-78,176.52-27,137.25

Finding the Fourth Proportional to 52,089.75, 78,176.52 and 27,137.25

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Solution

The fourth proportional to 52,089.75, 78,176.52 and 27,137.25 is: 40,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,089.75 : 78,176.52 = 27,137.25 : x
  2. Step 2: Convert to fraction form
    52,089.75/78,176.52 = 27,137.25/x
  3. Step 3: Cross multiply
    52,089.75x = 78,176.52 × 27,137.25
  4. Step 4: Simplify right side
    52,089.75x = 2,121,495,767.37
  5. Step 5: Solve for x
    x = 2,121,495,767.37/52,089.75
  6. Step 6: Final answer
    x = 40,727.70

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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.