Home / 90,247.50-124,541.78-49,964.00

Finding the Fourth Proportional to 90,247.50, 124,541.78 and 49,964.00

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Solution

The fourth proportional to 90,247.50, 124,541.78 and 49,964.00 is: 68,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,247.50 : 124,541.78 = 49,964.00 : x
  2. Step 2: Convert to fraction form
    90,247.50/124,541.78 = 49,964.00/x
  3. Step 3: Cross multiply
    90,247.50x = 124,541.78 × 49,964.00
  4. Step 4: Simplify right side
    90,247.50x = 6,222,604,623.39
  5. Step 5: Solve for x
    x = 6,222,604,623.39/90,247.50
  6. Step 6: Final answer
    x = 68,950.44

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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.