Home / 90,239.94-124,529.61-49,952.85

Finding the Fourth Proportional to 90,239.94, 124,529.61 and 49,952.85

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Solution

The fourth proportional to 90,239.94, 124,529.61 and 49,952.85 is: 68,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,239.94 : 124,529.61 = 49,952.85 : x
  2. Step 2: Convert to fraction form
    90,239.94/124,529.61 = 49,952.85/x
  3. Step 3: Cross multiply
    90,239.94x = 124,529.61 × 49,952.85
  4. Step 4: Simplify right side
    90,239.94x = 6,220,608,928.89
  5. Step 5: Solve for x
    x = 6,220,608,928.89/90,239.94
  6. Step 6: Final answer
    x = 68,934.10

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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.