Home / 91,353.27-136,685.37-53,933.70

Finding the Fourth Proportional to 91,353.27, 136,685.37 and 53,933.70

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Solution

The fourth proportional to 91,353.27, 136,685.37 and 53,933.70 is: 80,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,353.27 : 136,685.37 = 53,933.70 : x
  2. Step 2: Convert to fraction form
    91,353.27/136,685.37 = 53,933.70/x
  3. Step 3: Cross multiply
    91,353.27x = 136,685.37 × 53,933.70
  4. Step 4: Simplify right side
    91,353.27x = 7,371,947,739.97
  5. Step 5: Solve for x
    x = 7,371,947,739.97/91,353.27
  6. Step 6: Final answer
    x = 80,697.14

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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.