Home / 84,991.50-117,288.27-47,265.75

Finding the Fourth Proportional to 84,991.50, 117,288.27 and 47,265.75

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Solution

The fourth proportional to 84,991.50, 117,288.27 and 47,265.75 is: 65,226.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,991.50 : 117,288.27 = 47,265.75 : x
  2. Step 2: Convert to fraction form
    84,991.50/117,288.27 = 47,265.75/x
  3. Step 3: Cross multiply
    84,991.50x = 117,288.27 × 47,265.75
  4. Step 4: Simplify right side
    84,991.50x = 5,543,718,047.75
  5. Step 5: Solve for x
    x = 5,543,718,047.75/84,991.50
  6. Step 6: Final answer
    x = 65,226.74

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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.