Home / 91,288.70-136,940.27-32,137.64

Finding the Fourth Proportional to 91,288.70, 136,940.27 and 32,137.64

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Solution

The fourth proportional to 91,288.70, 136,940.27 and 32,137.64 is: 48,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288.70 : 136,940.27 = 32,137.64 : x
  2. Step 2: Convert to fraction form
    91,288.70/136,940.27 = 32,137.64/x
  3. Step 3: Cross multiply
    91,288.70x = 136,940.27 × 32,137.64
  4. Step 4: Simplify right side
    91,288.70x = 4,400,937,098.76
  5. Step 5: Solve for x
    x = 4,400,937,098.76/91,288.70
  6. Step 6: Final answer
    x = 48,209.00

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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.