Home / 79,835.28-119,752.14-30,587.28

Finding the Fourth Proportional to 79,835.28, 119,752.14 and 30,587.28

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Solution

The fourth proportional to 79,835.28, 119,752.14 and 30,587.28 is: 45,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,835.28 : 119,752.14 = 30,587.28 : x
  2. Step 2: Convert to fraction form
    79,835.28/119,752.14 = 30,587.28/x
  3. Step 3: Cross multiply
    79,835.28x = 119,752.14 × 30,587.28
  4. Step 4: Simplify right side
    79,835.28x = 3,662,892,236.78
  5. Step 5: Solve for x
    x = 3,662,892,236.78/79,835.28
  6. Step 6: Final answer
    x = 45,880.62

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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.