Home / 91,062.39-136,593.59-28,737.75

Finding the Fourth Proportional to 91,062.39, 136,593.59 and 28,737.75

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Solution

The fourth proportional to 91,062.39, 136,593.59 and 28,737.75 is: 43,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,062.39 : 136,593.59 = 28,737.75 : x
  2. Step 2: Convert to fraction form
    91,062.39/136,593.59 = 28,737.75/x
  3. Step 3: Cross multiply
    91,062.39x = 136,593.59 × 28,737.75
  4. Step 4: Simplify right side
    91,062.39x = 3,925,392,297.33
  5. Step 5: Solve for x
    x = 3,925,392,297.33/91,062.39
  6. Step 6: Final answer
    x = 43,106.63

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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.