Home / 90,266.22-124,574.39-49,983.73

Finding the Fourth Proportional to 90,266.22, 124,574.39 and 49,983.73

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Solution

The fourth proportional to 90,266.22, 124,574.39 and 49,983.73 is: 68,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,266.22 : 124,574.39 = 49,983.73 : x
  2. Step 2: Convert to fraction form
    90,266.22/124,574.39 = 49,983.73/x
  3. Step 3: Cross multiply
    90,266.22x = 124,574.39 × 49,983.73
  4. Step 4: Simplify right side
    90,266.22x = 6,226,692,674.67
  5. Step 5: Solve for x
    x = 6,226,692,674.67/90,266.22
  6. Step 6: Final answer
    x = 68,981.43

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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.