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Finding the Fourth Proportional to 70,183.84, 96,852.72 and 38,352.88

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Solution

The fourth proportional to 70,183.84, 96,852.72 and 38,352.88 is: 52,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,183.84 : 96,852.72 = 38,352.88 : x
  2. Step 2: Convert to fraction form
    70,183.84/96,852.72 = 38,352.88/x
  3. Step 3: Cross multiply
    70,183.84x = 96,852.72 × 38,352.88
  4. Step 4: Simplify right side
    70,183.84x = 3,714,580,747.83
  5. Step 5: Solve for x
    x = 3,714,580,747.83/70,183.84
  6. Step 6: Final answer
    x = 52,926.44

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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.