Home / 89,811.24-123,936.67-49,526.70

Finding the Fourth Proportional to 89,811.24, 123,936.67 and 49,526.70

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Solution

The fourth proportional to 89,811.24, 123,936.67 and 49,526.70 is: 68,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,811.24 : 123,936.67 = 49,526.70 : x
  2. Step 2: Convert to fraction form
    89,811.24/123,936.67 = 49,526.70/x
  3. Step 3: Cross multiply
    89,811.24x = 123,936.67 × 49,526.70
  4. Step 4: Simplify right side
    89,811.24x = 6,138,174,274.09
  5. Step 5: Solve for x
    x = 6,138,174,274.09/89,811.24
  6. Step 6: Final answer
    x = 68,345.28

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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.