Home / 67,481.12-93,148.80-40,624.88

Finding the Fourth Proportional to 67,481.12, 93,148.80 and 40,624.88

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Solution

The fourth proportional to 67,481.12, 93,148.80 and 40,624.88 is: 56,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,481.12 : 93,148.80 = 40,624.88 : x
  2. Step 2: Convert to fraction form
    67,481.12/93,148.80 = 40,624.88/x
  3. Step 3: Cross multiply
    67,481.12x = 93,148.80 × 40,624.88
  4. Step 4: Simplify right side
    67,481.12x = 3,784,158,822.14
  5. Step 5: Solve for x
    x = 3,784,158,822.14/67,481.12
  6. Step 6: Final answer
    x = 56,077.30

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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.