Home / 92,386.90-138,233.66-54,809.38

Finding the Fourth Proportional to 92,386.90, 138,233.66 and 54,809.38

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Solution

The fourth proportional to 92,386.90, 138,233.66 and 54,809.38 is: 82,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,386.90 : 138,233.66 = 54,809.38 : x
  2. Step 2: Convert to fraction form
    92,386.90/138,233.66 = 54,809.38/x
  3. Step 3: Cross multiply
    92,386.90x = 138,233.66 × 54,809.38
  4. Step 4: Simplify right side
    92,386.90x = 7,576,501,199.73
  5. Step 5: Solve for x
    x = 7,576,501,199.73/92,386.90
  6. Step 6: Final answer
    x = 82,008.39

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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.