Home / 91,904.30-137,856.45-32,806.70

Finding the Fourth Proportional to 91,904.30, 137,856.45 and 32,806.70

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Solution

The fourth proportional to 91,904.30, 137,856.45 and 32,806.70 is: 49,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,904.30 : 137,856.45 = 32,806.70 : x
  2. Step 2: Convert to fraction form
    91,904.30/137,856.45 = 32,806.70/x
  3. Step 3: Cross multiply
    91,904.30x = 137,856.45 × 32,806.70
  4. Step 4: Simplify right side
    91,904.30x = 4,522,615,198.22
  5. Step 5: Solve for x
    x = 4,522,615,198.22/91,904.30
  6. Step 6: Final answer
    x = 49,210.05

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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.