Home / 70,270.20-96,972.09-38,438.72

Finding the Fourth Proportional to 70,270.20, 96,972.09 and 38,438.72

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Solution

The fourth proportional to 70,270.20, 96,972.09 and 38,438.72 is: 53,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,270.20 : 96,972.09 = 38,438.72 : x
  2. Step 2: Convert to fraction form
    70,270.20/96,972.09 = 38,438.72/x
  3. Step 3: Cross multiply
    70,270.20x = 96,972.09 × 38,438.72
  4. Step 4: Simplify right side
    70,270.20x = 3,727,482,749.96
  5. Step 5: Solve for x
    x = 3,727,482,749.96/70,270.20
  6. Step 6: Final answer
    x = 53,045.00

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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.