Home / 85,947.92-118,615.26-47,711.06

Finding the Fourth Proportional to 85,947.92, 118,615.26 and 47,711.06

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Solution

The fourth proportional to 85,947.92, 118,615.26 and 47,711.06 is: 65,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,947.92 : 118,615.26 = 47,711.06 : x
  2. Step 2: Convert to fraction form
    85,947.92/118,615.26 = 47,711.06/x
  3. Step 3: Cross multiply
    85,947.92x = 118,615.26 × 47,711.06
  4. Step 4: Simplify right side
    85,947.92x = 5,659,259,786.78
  5. Step 5: Solve for x
    x = 5,659,259,786.78/85,947.92
  6. Step 6: Final answer
    x = 65,845.22

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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.