Home / 79,904.76-119,742.92-58,678.32

Finding the Fourth Proportional to 79,904.76, 119,742.92 and 58,678.32

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Solution

The fourth proportional to 79,904.76, 119,742.92 and 58,678.32 is: 87,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,904.76 : 119,742.92 = 58,678.32 : x
  2. Step 2: Convert to fraction form
    79,904.76/119,742.92 = 58,678.32/x
  3. Step 3: Cross multiply
    79,904.76x = 119,742.92 × 58,678.32
  4. Step 4: Simplify right side
    79,904.76x = 7,026,313,377.49
  5. Step 5: Solve for x
    x = 7,026,313,377.49/79,904.76
  6. Step 6: Final answer
    x = 87,933.60

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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.