Home / 88,213.30-121,734.96-47,927.44

Finding the Fourth Proportional to 88,213.30, 121,734.96 and 47,927.44

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Solution

The fourth proportional to 88,213.30, 121,734.96 and 47,927.44 is: 66,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213.30 : 121,734.96 = 47,927.44 : x
  2. Step 2: Convert to fraction form
    88,213.30/121,734.96 = 47,927.44/x
  3. Step 3: Cross multiply
    88,213.30x = 121,734.96 × 47,927.44
  4. Step 4: Simplify right side
    88,213.30x = 5,834,444,991.30
  5. Step 5: Solve for x
    x = 5,834,444,991.30/88,213.30
  6. Step 6: Final answer
    x = 66,140.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.