Home / 90,226.04-124,494.64-49,937.90

Finding the Fourth Proportional to 90,226.04, 124,494.64 and 49,937.90

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Solution

The fourth proportional to 90,226.04, 124,494.64 and 49,937.90 is: 68,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,226.04 : 124,494.64 = 49,937.90 : x
  2. Step 2: Convert to fraction form
    90,226.04/124,494.64 = 49,937.90/x
  3. Step 3: Cross multiply
    90,226.04x = 124,494.64 × 49,937.90
  4. Step 4: Simplify right side
    90,226.04x = 6,217,000,135.54
  5. Step 5: Solve for x
    x = 6,217,000,135.54/90,226.04
  6. Step 6: Final answer
    x = 68,904.73

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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.