Home / 52,986.61-73,121.84-29,112.67

Finding the Fourth Proportional to 52,986.61, 73,121.84 and 29,112.67

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Solution

The fourth proportional to 52,986.61, 73,121.84 and 29,112.67 is: 40,175.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.61 : 73,121.84 = 29,112.67 : x
  2. Step 2: Convert to fraction form
    52,986.61/73,121.84 = 29,112.67/x
  3. Step 3: Cross multiply
    52,986.61x = 73,121.84 × 29,112.67
  4. Step 4: Simplify right side
    52,986.61x = 2,128,771,997.71
  5. Step 5: Solve for x
    x = 2,128,771,997.71/52,986.61
  6. Step 6: Final answer
    x = 40,175.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.