Home / 77,816.61-116,829.86-49,791.37

Finding the Fourth Proportional to 77,816.61, 116,829.86 and 49,791.37

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Solution

The fourth proportional to 77,816.61, 116,829.86 and 49,791.37 is: 74,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,816.61 : 116,829.86 = 49,791.37 : x
  2. Step 2: Convert to fraction form
    77,816.61/116,829.86 = 49,791.37/x
  3. Step 3: Cross multiply
    77,816.61x = 116,829.86 × 49,791.37
  4. Step 4: Simplify right side
    77,816.61x = 5,817,118,515.79
  5. Step 5: Solve for x
    x = 5,817,118,515.79/77,816.61
  6. Step 6: Final answer
    x = 74,754.20

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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.