Home / 90,506.10-124,898.13-50,225.94

Finding the Fourth Proportional to 90,506.10, 124,898.13 and 50,225.94

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Solution

The fourth proportional to 90,506.10, 124,898.13 and 50,225.94 is: 69,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,506.10 : 124,898.13 = 50,225.94 : x
  2. Step 2: Convert to fraction form
    90,506.10/124,898.13 = 50,225.94/x
  3. Step 3: Cross multiply
    90,506.10x = 124,898.13 × 50,225.94
  4. Step 4: Simplify right side
    90,506.10x = 6,273,125,983.49
  5. Step 5: Solve for x
    x = 6,273,125,983.49/90,506.10
  6. Step 6: Final answer
    x = 69,311.64

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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.