Home / 88,131.42-121,621.08-47,844.90

Finding the Fourth Proportional to 88,131.42, 121,621.08 and 47,844.90

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Solution

The fourth proportional to 88,131.42, 121,621.08 and 47,844.90 is: 66,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,131.42 : 121,621.08 = 47,844.90 : x
  2. Step 2: Convert to fraction form
    88,131.42/121,621.08 = 47,844.90/x
  3. Step 3: Cross multiply
    88,131.42x = 121,621.08 × 47,844.90
  4. Step 4: Simplify right side
    88,131.42x = 5,818,948,410.49
  5. Step 5: Solve for x
    x = 5,818,948,410.49/88,131.42
  6. Step 6: Final answer
    x = 66,025.81

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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.