Home / 70,934.60-97,890.44-39,104.64

Finding the Fourth Proportional to 70,934.60, 97,890.44 and 39,104.64

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Solution

The fourth proportional to 70,934.60, 97,890.44 and 39,104.64 is: 53,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,934.60 : 97,890.44 = 39,104.64 : x
  2. Step 2: Convert to fraction form
    70,934.60/97,890.44 = 39,104.64/x
  3. Step 3: Cross multiply
    70,934.60x = 97,890.44 × 39,104.64
  4. Step 4: Simplify right side
    70,934.60x = 3,827,970,220.12
  5. Step 5: Solve for x
    x = 3,827,970,220.12/70,934.60
  6. Step 6: Final answer
    x = 53,964.78

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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.