Home / 98,284.16-147,185.66-45,708.68

Finding the Fourth Proportional to 98,284.16, 147,185.66 and 45,708.68

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Solution

The fourth proportional to 98,284.16, 147,185.66 and 45,708.68 is: 68,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,284.16 : 147,185.66 = 45,708.68 : x
  2. Step 2: Convert to fraction form
    98,284.16/147,185.66 = 45,708.68/x
  3. Step 3: Cross multiply
    98,284.16x = 147,185.66 × 45,708.68
  4. Step 4: Simplify right side
    98,284.16x = 6,727,661,611.87
  5. Step 5: Solve for x
    x = 6,727,661,611.87/98,284.16
  6. Step 6: Final answer
    x = 68,451.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.