Home / 70,122.32-96,771.12-38,293.64

Finding the Fourth Proportional to 70,122.32, 96,771.12 and 38,293.64

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Solution

The fourth proportional to 70,122.32, 96,771.12 and 38,293.64 is: 52,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,122.32 : 96,771.12 = 38,293.64 : x
  2. Step 2: Convert to fraction form
    70,122.32/96,771.12 = 38,293.64/x
  3. Step 3: Cross multiply
    70,122.32x = 96,771.12 × 38,293.64
  4. Step 4: Simplify right side
    70,122.32x = 3,705,718,431.68
  5. Step 5: Solve for x
    x = 3,705,718,431.68/70,122.32
  6. Step 6: Final answer
    x = 52,846.49

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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.