Home / 88,198.15-121,714.31-47,912.24

Finding the Fourth Proportional to 88,198.15, 121,714.31 and 47,912.24

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Solution

The fourth proportional to 88,198.15, 121,714.31 and 47,912.24 is: 66,119.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,198.15 : 121,714.31 = 47,912.24 : x
  2. Step 2: Convert to fraction form
    88,198.15/121,714.31 = 47,912.24/x
  3. Step 3: Cross multiply
    88,198.15x = 121,714.31 × 47,912.24
  4. Step 4: Simplify right side
    88,198.15x = 5,831,604,384.02
  5. Step 5: Solve for x
    x = 5,831,604,384.02/88,198.15
  6. Step 6: Final answer
    x = 66,119.35

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1.5x scale

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.