Home / 52,988.51-73,121.40-29,110.61

Finding the Fourth Proportional to 52,988.51, 73,121.40 and 29,110.61

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Solution

The fourth proportional to 52,988.51, 73,121.40 and 29,110.61 is: 40,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,988.51 : 73,121.40 = 29,110.61 : x
  2. Step 2: Convert to fraction form
    52,988.51/73,121.40 = 29,110.61/x
  3. Step 3: Cross multiply
    52,988.51x = 73,121.40 × 29,110.61
  4. Step 4: Simplify right side
    52,988.51x = 2,128,608,740.86
  5. Step 5: Solve for x
    x = 2,128,608,740.86/52,988.51
  6. Step 6: Final answer
    x = 40,171.14

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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.