Home / 79,108.84-118,677.66-39,693.16

Finding the Fourth Proportional to 79,108.84, 118,677.66 and 39,693.16

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Solution

The fourth proportional to 79,108.84, 118,677.66 and 39,693.16 is: 59,546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,108.84 : 118,677.66 = 39,693.16 : x
  2. Step 2: Convert to fraction form
    79,108.84/118,677.66 = 39,693.16/x
  3. Step 3: Cross multiply
    79,108.84x = 118,677.66 × 39,693.16
  4. Step 4: Simplify right side
    79,108.84x = 4,710,691,346.81
  5. Step 5: Solve for x
    x = 4,710,691,346.81/79,108.84
  6. Step 6: Final answer
    x = 59,546.97

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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.