Home / 70,286.08-96,991.68-38,456.32

Finding the Fourth Proportional to 70,286.08, 96,991.68 and 38,456.32

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Solution

The fourth proportional to 70,286.08, 96,991.68 and 38,456.32 is: 53,068.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,286.08 : 96,991.68 = 38,456.32 : x
  2. Step 2: Convert to fraction form
    70,286.08/96,991.68 = 38,456.32/x
  3. Step 3: Cross multiply
    70,286.08x = 96,991.68 × 38,456.32
  4. Step 4: Simplify right side
    70,286.08x = 3,729,943,083.42
  5. Step 5: Solve for x
    x = 3,729,943,083.42/70,286.08
  6. Step 6: Final answer
    x = 53,068.02

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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.