Home / 52,747.20-73,280.70-52,261.20

Finding the Fourth Proportional to 52,747.20, 73,280.70 and 52,261.20

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Solution

The fourth proportional to 52,747.20, 73,280.70 and 52,261.20 is: 72,605.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.20 : 73,280.70 = 52,261.20 : x
  2. Step 2: Convert to fraction form
    52,747.20/73,280.70 = 52,261.20/x
  3. Step 3: Cross multiply
    52,747.20x = 73,280.70 × 52,261.20
  4. Step 4: Simplify right side
    52,747.20x = 3,829,737,318.84
  5. Step 5: Solve for x
    x = 3,829,737,318.84/52,747.20
  6. Step 6: Final answer
    x = 72,605.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.