Home / 52,986.83-73,121.81-29,115.05

Finding the Fourth Proportional to 52,986.83, 73,121.81 and 29,115.05

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Solution

The fourth proportional to 52,986.83, 73,121.81 and 29,115.05 is: 40,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.83 : 73,121.81 = 29,115.05 : x
  2. Step 2: Convert to fraction form
    52,986.83/73,121.81 = 29,115.05/x
  3. Step 3: Cross multiply
    52,986.83x = 73,121.81 × 29,115.05
  4. Step 4: Simplify right side
    52,986.83x = 2,128,944,888.71
  5. Step 5: Solve for x
    x = 2,128,944,888.71/52,986.83
  6. Step 6: Final answer
    x = 40,178.75

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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.