Home / 70,773.18-97,664.55-38,939.10

Finding the Fourth Proportional to 70,773.18, 97,664.55 and 38,939.10

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Solution

The fourth proportional to 70,773.18, 97,664.55 and 38,939.10 is: 53,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,773.18 : 97,664.55 = 38,939.10 : x
  2. Step 2: Convert to fraction form
    70,773.18/97,664.55 = 38,939.10/x
  3. Step 3: Cross multiply
    70,773.18x = 97,664.55 × 38,939.10
  4. Step 4: Simplify right side
    70,773.18x = 3,802,969,678.91
  5. Step 5: Solve for x
    x = 3,802,969,678.91/70,773.18
  6. Step 6: Final answer
    x = 53,734.62

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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.