Home / 70,456.45-97,231.15-38,192.12

Finding the Fourth Proportional to 70,456.45, 97,231.15 and 38,192.12

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Solution

The fourth proportional to 70,456.45, 97,231.15 and 38,192.12 is: 52,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,456.45 : 97,231.15 = 38,192.12 : x
  2. Step 2: Convert to fraction form
    70,456.45/97,231.15 = 38,192.12/x
  3. Step 3: Cross multiply
    70,456.45x = 97,231.15 × 38,192.12
  4. Step 4: Simplify right side
    70,456.45x = 3,713,463,748.54
  5. Step 5: Solve for x
    x = 3,713,463,748.54/70,456.45
  6. Step 6: Final answer
    x = 52,705.80

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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.