Home / 91,854.27-137,786.54-28,683.11

Finding the Fourth Proportional to 91,854.27, 137,786.54 and 28,683.11

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Solution

The fourth proportional to 91,854.27, 137,786.54 and 28,683.11 is: 43,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,854.27 : 137,786.54 = 28,683.11 : x
  2. Step 2: Convert to fraction form
    91,854.27/137,786.54 = 28,683.11/x
  3. Step 3: Cross multiply
    91,854.27x = 137,786.54 × 28,683.11
  4. Step 4: Simplify right side
    91,854.27x = 3,952,146,684.39
  5. Step 5: Solve for x
    x = 3,952,146,684.39/91,854.27
  6. Step 6: Final answer
    x = 43,026.27

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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.