Home / 91,856.30-137,784.45-32,758.70

Finding the Fourth Proportional to 91,856.30, 137,784.45 and 32,758.70

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Solution

The fourth proportional to 91,856.30, 137,784.45 and 32,758.70 is: 49,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856.30 : 137,784.45 = 32,758.70 : x
  2. Step 2: Convert to fraction form
    91,856.30/137,784.45 = 32,758.70/x
  3. Step 3: Cross multiply
    91,856.30x = 137,784.45 × 32,758.70
  4. Step 4: Simplify right side
    91,856.30x = 4,513,639,462.22
  5. Step 5: Solve for x
    x = 4,513,639,462.22/91,856.30
  6. Step 6: Final answer
    x = 49,138.05

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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.