Home / 70,257.12-104,884.86-67,796.16

Finding the Fourth Proportional to 70,257.12, 104,884.86 and 67,796.16

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Solution

The fourth proportional to 70,257.12, 104,884.86 and 67,796.16 is: 101,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,257.12 : 104,884.86 = 67,796.16 : x
  2. Step 2: Convert to fraction form
    70,257.12/104,884.86 = 67,796.16/x
  3. Step 3: Cross multiply
    70,257.12x = 104,884.86 × 67,796.16
  4. Step 4: Simplify right side
    70,257.12x = 7,110,790,750.14
  5. Step 5: Solve for x
    x = 7,110,790,750.14/70,257.12
  6. Step 6: Final answer
    x = 101,210.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.