Home / 77,318.72-115,995.36-24,731.36

Finding the Fourth Proportional to 77,318.72, 115,995.36 and 24,731.36

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Solution

The fourth proportional to 77,318.72, 115,995.36 and 24,731.36 is: 37,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,318.72 : 115,995.36 = 24,731.36 : x
  2. Step 2: Convert to fraction form
    77,318.72/115,995.36 = 24,731.36/x
  3. Step 3: Cross multiply
    77,318.72x = 115,995.36 × 24,731.36
  4. Step 4: Simplify right side
    77,318.72x = 2,868,723,006.49
  5. Step 5: Solve for x
    x = 2,868,723,006.49/77,318.72
  6. Step 6: Final answer
    x = 37,102.57

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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.