Home / 87,033.53-120,077.91-50,726.69

Finding the Fourth Proportional to 87,033.53, 120,077.91 and 50,726.69

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Solution

The fourth proportional to 87,033.53, 120,077.91 and 50,726.69 is: 69,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,033.53 : 120,077.91 = 50,726.69 : x
  2. Step 2: Convert to fraction form
    87,033.53/120,077.91 = 50,726.69/x
  3. Step 3: Cross multiply
    87,033.53x = 120,077.91 × 50,726.69
  4. Step 4: Simplify right side
    87,033.53x = 6,091,154,916.42
  5. Step 5: Solve for x
    x = 6,091,154,916.42/87,033.53
  6. Step 6: Final answer
    x = 69,986.30

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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.