Home / 79,905.90-119,744.62-58,679.44

Finding the Fourth Proportional to 79,905.90, 119,744.62 and 58,679.44

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Solution

The fourth proportional to 79,905.90, 119,744.62 and 58,679.44 is: 87,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,905.90 : 119,744.62 = 58,679.44 : x
  2. Step 2: Convert to fraction form
    79,905.90/119,744.62 = 58,679.44/x
  3. Step 3: Cross multiply
    79,905.90x = 119,744.62 × 58,679.44
  4. Step 4: Simplify right side
    79,905.90x = 7,026,547,244.61
  5. Step 5: Solve for x
    x = 7,026,547,244.61/79,905.90
  6. Step 6: Final answer
    x = 87,935.27

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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.