Home / 52,987.68-73,122.47-29,113.84

Finding the Fourth Proportional to 52,987.68, 73,122.47 and 29,113.84

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Solution

The fourth proportional to 52,987.68, 73,122.47 and 29,113.84 is: 40,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,987.68 : 73,122.47 = 29,113.84 : x
  2. Step 2: Convert to fraction form
    52,987.68/73,122.47 = 29,113.84/x
  3. Step 3: Cross multiply
    52,987.68x = 73,122.47 × 29,113.84
  4. Step 4: Simplify right side
    52,987.68x = 2,128,875,891.98
  5. Step 5: Solve for x
    x = 2,128,875,891.98/52,987.68
  6. Step 6: Final answer
    x = 40,176.81

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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.