Home / 66,106.20-91,226.02-35,890.92

Finding the Fourth Proportional to 66,106.20, 91,226.02 and 35,890.92

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Solution

The fourth proportional to 66,106.20, 91,226.02 and 35,890.92 is: 49,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,106.20 : 91,226.02 = 35,890.92 : x
  2. Step 2: Convert to fraction form
    66,106.20/91,226.02 = 35,890.92/x
  3. Step 3: Cross multiply
    66,106.20x = 91,226.02 × 35,890.92
  4. Step 4: Simplify right side
    66,106.20x = 3,274,186,120.82
  5. Step 5: Solve for x
    x = 3,274,186,120.82/66,106.20
  6. Step 6: Final answer
    x = 49,529.18

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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.