Home / 90,981.22-125,554.59-52,763.43

Finding the Fourth Proportional to 90,981.22, 125,554.59 and 52,763.43

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Solution

The fourth proportional to 90,981.22, 125,554.59 and 52,763.43 is: 72,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,981.22 : 125,554.59 = 52,763.43 : x
  2. Step 2: Convert to fraction form
    90,981.22/125,554.59 = 52,763.43/x
  3. Step 3: Cross multiply
    90,981.22x = 125,554.59 × 52,763.43
  4. Step 4: Simplify right side
    90,981.22x = 6,624,690,789.95
  5. Step 5: Solve for x
    x = 6,624,690,789.95/90,981.22
  6. Step 6: Final answer
    x = 72,813.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.