Home / 66,162.15-91,303.38-35,947.23

Finding the Fourth Proportional to 66,162.15, 91,303.38 and 35,947.23

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Solution

The fourth proportional to 66,162.15, 91,303.38 and 35,947.23 is: 49,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,162.15 : 91,303.38 = 35,947.23 : x
  2. Step 2: Convert to fraction form
    66,162.15/91,303.38 = 35,947.23/x
  3. Step 3: Cross multiply
    66,162.15x = 91,303.38 × 35,947.23
  4. Step 4: Simplify right side
    66,162.15x = 3,282,103,600.64
  5. Step 5: Solve for x
    x = 3,282,103,600.64/66,162.15
  6. Step 6: Final answer
    x = 49,606.97

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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.