Home / 71,181.75-106,837.02-37,929.90

Finding the Fourth Proportional to 71,181.75, 106,837.02 and 37,929.90

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Solution

The fourth proportional to 71,181.75, 106,837.02 and 37,929.90 is: 56,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,181.75 : 106,837.02 = 37,929.90 : x
  2. Step 2: Convert to fraction form
    71,181.75/106,837.02 = 37,929.90/x
  3. Step 3: Cross multiply
    71,181.75x = 106,837.02 × 37,929.90
  4. Step 4: Simplify right side
    71,181.75x = 4,052,317,484.90
  5. Step 5: Solve for x
    x = 4,052,317,484.90/71,181.75
  6. Step 6: Final answer
    x = 56,929.16

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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.