Home / 52,436.40-78,469.92-42,962.64

Finding the Fourth Proportional to 52,436.40, 78,469.92 and 42,962.64

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Solution

The fourth proportional to 52,436.40, 78,469.92 and 42,962.64 is: 64,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,436.40 : 78,469.92 = 42,962.64 : x
  2. Step 2: Convert to fraction form
    52,436.40/78,469.92 = 42,962.64/x
  3. Step 3: Cross multiply
    52,436.40x = 78,469.92 × 42,962.64
  4. Step 4: Simplify right side
    52,436.40x = 3,371,274,923.79
  5. Step 5: Solve for x
    x = 3,371,274,923.79/52,436.40
  6. Step 6: Final answer
    x = 64,292.65

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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.