Home / 102,884.94-141,986.74-57,560.22

Finding the Fourth Proportional to 102,884.94, 141,986.74 and 57,560.22

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Solution

The fourth proportional to 102,884.94, 141,986.74 and 57,560.22 is: 79,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,884.94 : 141,986.74 = 57,560.22 : x
  2. Step 2: Convert to fraction form
    102,884.94/141,986.74 = 57,560.22/x
  3. Step 3: Cross multiply
    102,884.94x = 141,986.74 × 57,560.22
  4. Step 4: Simplify right side
    102,884.94x = 8,172,787,991.48
  5. Step 5: Solve for x
    x = 8,172,787,991.48/102,884.94
  6. Step 6: Final answer
    x = 79,436.19

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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.