Home / 71,181.40-106,577.70-51,352.60

Finding the Fourth Proportional to 71,181.40, 106,577.70 and 51,352.60

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Solution

The fourth proportional to 71,181.40, 106,577.70 and 51,352.60 is: 76,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,181.40 : 106,577.70 = 51,352.60 : x
  2. Step 2: Convert to fraction form
    71,181.40/106,577.70 = 51,352.60/x
  3. Step 3: Cross multiply
    71,181.40x = 106,577.70 × 51,352.60
  4. Step 4: Simplify right side
    71,181.40x = 5,473,041,997.02
  5. Step 5: Solve for x
    x = 5,473,041,997.02/71,181.40
  6. Step 6: Final answer
    x = 76,888.65

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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.