Home / 79,353.06-118,966.97-39,344.46

Finding the Fourth Proportional to 79,353.06, 118,966.97 and 39,344.46

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Solution

The fourth proportional to 79,353.06, 118,966.97 and 39,344.46 is: 58,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,353.06 : 118,966.97 = 39,344.46 : x
  2. Step 2: Convert to fraction form
    79,353.06/118,966.97 = 39,344.46/x
  3. Step 3: Cross multiply
    79,353.06x = 118,966.97 × 39,344.46
  4. Step 4: Simplify right side
    79,353.06x = 4,680,691,068.66
  5. Step 5: Solve for x
    x = 4,680,691,068.66/79,353.06
  6. Step 6: Final answer
    x = 58,985.64

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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.