Home / 70,026.72-96,639.12-38,196.96

Finding the Fourth Proportional to 70,026.72, 96,639.12 and 38,196.96

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Solution

The fourth proportional to 70,026.72, 96,639.12 and 38,196.96 is: 52,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,026.72 : 96,639.12 = 38,196.96 : x
  2. Step 2: Convert to fraction form
    70,026.72/96,639.12 = 38,196.96/x
  3. Step 3: Cross multiply
    70,026.72x = 96,639.12 × 38,196.96
  4. Step 4: Simplify right side
    70,026.72x = 3,691,320,601.08
  5. Step 5: Solve for x
    x = 3,691,320,601.08/70,026.72
  6. Step 6: Final answer
    x = 52,713.03

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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.