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Finding the Fourth Proportional to 70,456.80, 97,231.18 and 40,246.13

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Solution

The fourth proportional to 70,456.80, 97,231.18 and 40,246.13 is: 55,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,456.80 : 97,231.18 = 40,246.13 : x
  2. Step 2: Convert to fraction form
    70,456.80/97,231.18 = 40,246.13/x
  3. Step 3: Cross multiply
    70,456.80x = 97,231.18 × 40,246.13
  4. Step 4: Simplify right side
    70,456.80x = 3,913,178,710.33
  5. Step 5: Solve for x
    x = 3,913,178,710.33/70,456.80
  6. Step 6: Final answer
    x = 55,540.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.