Home / 90,318.46-124,634.13-49,474.46

Finding the Fourth Proportional to 90,318.46, 124,634.13 and 49,474.46

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Solution

The fourth proportional to 90,318.46, 124,634.13 and 49,474.46 is: 68,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,318.46 : 124,634.13 = 49,474.46 : x
  2. Step 2: Convert to fraction form
    90,318.46/124,634.13 = 49,474.46/x
  3. Step 3: Cross multiply
    90,318.46x = 124,634.13 × 49,474.46
  4. Step 4: Simplify right side
    90,318.46x = 6,166,206,279.32
  5. Step 5: Solve for x
    x = 6,166,206,279.32/90,318.46
  6. Step 6: Final answer
    x = 68,271.83

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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.