Home / 51,965.16-77,950.52-16,423.78

Finding the Fourth Proportional to 51,965.16, 77,950.52 and 16,423.78

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Solution

The fourth proportional to 51,965.16, 77,950.52 and 16,423.78 is: 24,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,965.16 : 77,950.52 = 16,423.78 : x
  2. Step 2: Convert to fraction form
    51,965.16/77,950.52 = 16,423.78/x
  3. Step 3: Cross multiply
    51,965.16x = 77,950.52 × 16,423.78
  4. Step 4: Simplify right side
    51,965.16x = 1,280,242,191.37
  5. Step 5: Solve for x
    x = 1,280,242,191.37/51,965.16
  6. Step 6: Final answer
    x = 24,636.55

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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.