Home / 92,491.13-127,638.10-50,049.66

Finding the Fourth Proportional to 92,491.13, 127,638.10 and 50,049.66

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Solution

The fourth proportional to 92,491.13, 127,638.10 and 50,049.66 is: 69,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,491.13 : 127,638.10 = 50,049.66 : x
  2. Step 2: Convert to fraction form
    92,491.13/127,638.10 = 50,049.66/x
  3. Step 3: Cross multiply
    92,491.13x = 127,638.10 × 50,049.66
  4. Step 4: Simplify right side
    92,491.13x = 6,388,243,508.05
  5. Step 5: Solve for x
    x = 6,388,243,508.05/92,491.13
  6. Step 6: Final answer
    x = 69,068.72

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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.