Home / 92,428.23-137,865.78-83,914.29

Finding the Fourth Proportional to 92,428.23, 137,865.78 and 83,914.29

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Solution

The fourth proportional to 92,428.23, 137,865.78 and 83,914.29 is: 125,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,428.23 : 137,865.78 = 83,914.29 : x
  2. Step 2: Convert to fraction form
    92,428.23/137,865.78 = 83,914.29/x
  3. Step 3: Cross multiply
    92,428.23x = 137,865.78 × 83,914.29
  4. Step 4: Simplify right side
    92,428.23x = 11,568,909,044.00
  5. Step 5: Solve for x
    x = 11,568,909,044.00/92,428.23
  6. Step 6: Final answer
    x = 125,166.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.