Home / 77,479.04-116,171.76-34,776.68

Finding the Fourth Proportional to 77,479.04, 116,171.76 and 34,776.68

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Solution

The fourth proportional to 77,479.04, 116,171.76 and 34,776.68 is: 52,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,479.04 : 116,171.76 = 34,776.68 : x
  2. Step 2: Convert to fraction form
    77,479.04/116,171.76 = 34,776.68/x
  3. Step 3: Cross multiply
    77,479.04x = 116,171.76 × 34,776.68
  4. Step 4: Simplify right side
    77,479.04x = 4,040,068,122.56
  5. Step 5: Solve for x
    x = 4,040,068,122.56/77,479.04
  6. Step 6: Final answer
    x = 52,144.01

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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.