Home / 77,814.11-116,757.61-38,349.69

Finding the Fourth Proportional to 77,814.11, 116,757.61 and 38,349.69

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Solution

The fourth proportional to 77,814.11, 116,757.61 and 38,349.69 is: 57,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,814.11 : 116,757.61 = 38,349.69 : x
  2. Step 2: Convert to fraction form
    77,814.11/116,757.61 = 38,349.69/x
  3. Step 3: Cross multiply
    77,814.11x = 116,757.61 × 38,349.69
  4. Step 4: Simplify right side
    77,814.11x = 4,477,618,148.64
  5. Step 5: Solve for x
    x = 4,477,618,148.64/77,814.11
  6. Step 6: Final answer
    x = 57,542.50

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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.