Home / 90,813.65-136,225.60-27,635.84

Finding the Fourth Proportional to 90,813.65, 136,225.60 and 27,635.84

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Solution

The fourth proportional to 90,813.65, 136,225.60 and 27,635.84 is: 41,455.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,813.65 : 136,225.60 = 27,635.84 : x
  2. Step 2: Convert to fraction form
    90,813.65/136,225.60 = 27,635.84/x
  3. Step 3: Cross multiply
    90,813.65x = 136,225.60 × 27,635.84
  4. Step 4: Simplify right side
    90,813.65x = 3,764,708,204.38
  5. Step 5: Solve for x
    x = 3,764,708,204.38/90,813.65
  6. Step 6: Final answer
    x = 41,455.31

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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.