Home / 91,220.46-136,811.16-53,244.42

Finding the Fourth Proportional to 91,220.46, 136,811.16 and 53,244.42

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Solution

The fourth proportional to 91,220.46, 136,811.16 and 53,244.42 is: 79,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,220.46 : 136,811.16 = 53,244.42 : x
  2. Step 2: Convert to fraction form
    91,220.46/136,811.16 = 53,244.42/x
  3. Step 3: Cross multiply
    91,220.46x = 136,811.16 × 53,244.42
  4. Step 4: Simplify right side
    91,220.46x = 7,284,430,863.73
  5. Step 5: Solve for x
    x = 7,284,430,863.73/91,220.46
  6. Step 6: Final answer
    x = 79,855.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.