Home / 70,287.27-96,995.28-40,074.27

Finding the Fourth Proportional to 70,287.27, 96,995.28 and 40,074.27

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Solution

The fourth proportional to 70,287.27, 96,995.28 and 40,074.27 is: 55,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,287.27 : 96,995.28 = 40,074.27 : x
  2. Step 2: Convert to fraction form
    70,287.27/96,995.28 = 40,074.27/x
  3. Step 3: Cross multiply
    70,287.27x = 96,995.28 × 40,074.27
  4. Step 4: Simplify right side
    70,287.27x = 3,887,015,039.45
  5. Step 5: Solve for x
    x = 3,887,015,039.45/70,287.27
  6. Step 6: Final answer
    x = 55,301.84

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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.