Home / 115,723.06-159,633.46-67,319.52

Finding the Fourth Proportional to 115,723.06, 159,633.46 and 67,319.52

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Solution

The fourth proportional to 115,723.06, 159,633.46 and 67,319.52 is: 92,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,723.06 : 159,633.46 = 67,319.52 : x
  2. Step 2: Convert to fraction form
    115,723.06/159,633.46 = 67,319.52/x
  3. Step 3: Cross multiply
    115,723.06x = 159,633.46 × 67,319.52
  4. Step 4: Simplify right side
    115,723.06x = 10,746,447,903.14
  5. Step 5: Solve for x
    x = 10,746,447,903.14/115,723.06
  6. Step 6: Final answer
    x = 92,863.50

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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.