Home / 52,433.80-78,647.10-16,894.60

Finding the Fourth Proportional to 52,433.80, 78,647.10 and 16,894.60

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Solution

The fourth proportional to 52,433.80, 78,647.10 and 16,894.60 is: 25,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,433.80 : 78,647.10 = 16,894.60 : x
  2. Step 2: Convert to fraction form
    52,433.80/78,647.10 = 16,894.60/x
  3. Step 3: Cross multiply
    52,433.80x = 78,647.10 × 16,894.60
  4. Step 4: Simplify right side
    52,433.80x = 1,328,711,295.66
  5. Step 5: Solve for x
    x = 1,328,711,295.66/52,433.80
  6. Step 6: Final answer
    x = 25,340.74

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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.