Home / 70,723.11-97,595.31-38,891.73

Finding the Fourth Proportional to 70,723.11, 97,595.31 and 38,891.73

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Solution

The fourth proportional to 70,723.11, 97,595.31 and 38,891.73 is: 53,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,723.11 : 97,595.31 = 38,891.73 : x
  2. Step 2: Convert to fraction form
    70,723.11/97,595.31 = 38,891.73/x
  3. Step 3: Cross multiply
    70,723.11x = 97,595.31 × 38,891.73
  4. Step 4: Simplify right side
    70,723.11x = 3,795,650,445.79
  5. Step 5: Solve for x
    x = 3,795,650,445.79/70,723.11
  6. Step 6: Final answer
    x = 53,669.17

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Double scale
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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.