Home / 79,905.39-119,743.88-58,678.94

Finding the Fourth Proportional to 79,905.39, 119,743.88 and 58,678.94

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Solution

The fourth proportional to 79,905.39, 119,743.88 and 58,678.94 is: 87,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,905.39 : 119,743.88 = 58,678.94 : x
  2. Step 2: Convert to fraction form
    79,905.39/119,743.88 = 58,678.94/x
  3. Step 3: Cross multiply
    79,905.39x = 119,743.88 × 58,678.94
  4. Step 4: Simplify right side
    79,905.39x = 7,026,443,057.77
  5. Step 5: Solve for x
    x = 7,026,443,057.77/79,905.39
  6. Step 6: Final answer
    x = 87,934.53

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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.