Home / 92,098.89-138,181.01-52,689.15

Finding the Fourth Proportional to 92,098.89, 138,181.01 and 52,689.15

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Solution

The fourth proportional to 92,098.89, 138,181.01 and 52,689.15 is: 79,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,098.89 : 138,181.01 = 52,689.15 : x
  2. Step 2: Convert to fraction form
    92,098.89/138,181.01 = 52,689.15/x
  3. Step 3: Cross multiply
    92,098.89x = 138,181.01 × 52,689.15
  4. Step 4: Simplify right side
    92,098.89x = 7,280,639,699.60
  5. Step 5: Solve for x
    x = 7,280,639,699.60/92,098.89
  6. Step 6: Final answer
    x = 79,052.42

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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.