Home / 90,813.50-136,225.37-27,635.68

Finding the Fourth Proportional to 90,813.50, 136,225.37 and 27,635.68

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Solution

The fourth proportional to 90,813.50, 136,225.37 and 27,635.68 is: 41,455.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,813.50 : 136,225.37 = 27,635.68 : x
  2. Step 2: Convert to fraction form
    90,813.50/136,225.37 = 27,635.68/x
  3. Step 3: Cross multiply
    90,813.50x = 136,225.37 × 27,635.68
  4. Step 4: Simplify right side
    90,813.50x = 3,764,680,254.46
  5. Step 5: Solve for x
    x = 3,764,680,254.46/90,813.50
  6. Step 6: Final answer
    x = 41,455.08

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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.