Home / 52,077.25-78,337.61-47,205.71

Finding the Fourth Proportional to 52,077.25, 78,337.61 and 47,205.71

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Solution

The fourth proportional to 52,077.25, 78,337.61 and 47,205.71 is: 71,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,077.25 : 78,337.61 = 47,205.71 : x
  2. Step 2: Convert to fraction form
    52,077.25/78,337.61 = 47,205.71/x
  3. Step 3: Cross multiply
    52,077.25x = 78,337.61 × 47,205.71
  4. Step 4: Simplify right side
    52,077.25x = 3,697,982,636.59
  5. Step 5: Solve for x
    x = 3,697,982,636.59/52,077.25
  6. Step 6: Final answer
    x = 71,009.56

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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.