Home / 79,448.52-119,157.03-39,425.73

Finding the Fourth Proportional to 79,448.52, 119,157.03 and 39,425.73

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Solution

The fourth proportional to 79,448.52, 119,157.03 and 39,425.73 is: 59,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,448.52 : 119,157.03 = 39,425.73 : x
  2. Step 2: Convert to fraction form
    79,448.52/119,157.03 = 39,425.73/x
  3. Step 3: Cross multiply
    79,448.52x = 119,157.03 × 39,425.73
  4. Step 4: Simplify right side
    79,448.52x = 4,697,852,892.38
  5. Step 5: Solve for x
    x = 4,697,852,892.38/79,448.52
  6. Step 6: Final answer
    x = 59,130.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.