Home / 70,210.26-96,891.66-38,382.12

Finding the Fourth Proportional to 70,210.26, 96,891.66 and 38,382.12

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Solution

The fourth proportional to 70,210.26, 96,891.66 and 38,382.12 is: 52,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210.26 : 96,891.66 = 38,382.12 : x
  2. Step 2: Convert to fraction form
    70,210.26/96,891.66 = 38,382.12/x
  3. Step 3: Cross multiply
    70,210.26x = 96,891.66 × 38,382.12
  4. Step 4: Simplify right side
    70,210.26x = 3,718,907,321.12
  5. Step 5: Solve for x
    x = 3,718,907,321.12/70,210.26
  6. Step 6: Final answer
    x = 52,968.15

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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.