Home / 88,170.53-121,689.07-49,932.05

Finding the Fourth Proportional to 88,170.53, 121,689.07 and 49,932.05

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Solution

The fourth proportional to 88,170.53, 121,689.07 and 49,932.05 is: 68,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.53 : 121,689.07 = 49,932.05 : x
  2. Step 2: Convert to fraction form
    88,170.53/121,689.07 = 49,932.05/x
  3. Step 3: Cross multiply
    88,170.53x = 121,689.07 × 49,932.05
  4. Step 4: Simplify right side
    88,170.53x = 6,076,183,994.42
  5. Step 5: Solve for x
    x = 6,076,183,994.42/88,170.53
  6. Step 6: Final answer
    x = 68,914.00

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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.