Home / 70,183.85-96,856.11-38,354.80

Finding the Fourth Proportional to 70,183.85, 96,856.11 and 38,354.80

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Solution

The fourth proportional to 70,183.85, 96,856.11 and 38,354.80 is: 52,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,183.85 : 96,856.11 = 38,354.80 : x
  2. Step 2: Convert to fraction form
    70,183.85/96,856.11 = 38,354.80/x
  3. Step 3: Cross multiply
    70,183.85x = 96,856.11 × 38,354.80
  4. Step 4: Simplify right side
    70,183.85x = 3,714,896,051.77
  5. Step 5: Solve for x
    x = 3,714,896,051.77/70,183.85
  6. Step 6: Final answer
    x = 52,930.93

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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.