Home / 53,373.62-79,949.69-31,119.50

Finding the Fourth Proportional to 53,373.62, 79,949.69 and 31,119.50

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Solution

The fourth proportional to 53,373.62, 79,949.69 and 31,119.50 is: 46,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,373.62 : 79,949.69 = 31,119.50 : x
  2. Step 2: Convert to fraction form
    53,373.62/79,949.69 = 31,119.50/x
  3. Step 3: Cross multiply
    53,373.62x = 79,949.69 × 31,119.50
  4. Step 4: Simplify right side
    53,373.62x = 2,487,993,822.61
  5. Step 5: Solve for x
    x = 2,487,993,822.61/53,373.62
  6. Step 6: Final answer
    x = 46,614.68

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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.