Home / 70,136.83-96,787.33-38,305.85

Finding the Fourth Proportional to 70,136.83, 96,787.33 and 38,305.85

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Solution

The fourth proportional to 70,136.83, 96,787.33 and 38,305.85 is: 52,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136.83 : 96,787.33 = 38,305.85 : x
  2. Step 2: Convert to fraction form
    70,136.83/96,787.33 = 38,305.85/x
  3. Step 3: Cross multiply
    70,136.83x = 96,787.33 × 38,305.85
  4. Step 4: Simplify right side
    70,136.83x = 3,707,521,091.08
  5. Step 5: Solve for x
    x = 3,707,521,091.08/70,136.83
  6. Step 6: Final answer
    x = 52,861.26

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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.