Home / 77,677.74-116,541.09-27,756.72

Finding the Fourth Proportional to 77,677.74, 116,541.09 and 27,756.72

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Solution

The fourth proportional to 77,677.74, 116,541.09 and 27,756.72 is: 41,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,677.74 : 116,541.09 = 27,756.72 : x
  2. Step 2: Convert to fraction form
    77,677.74/116,541.09 = 27,756.72/x
  3. Step 3: Cross multiply
    77,677.74x = 116,541.09 × 27,756.72
  4. Step 4: Simplify right side
    77,677.74x = 3,234,798,403.62
  5. Step 5: Solve for x
    x = 3,234,798,403.62/77,677.74
  6. Step 6: Final answer
    x = 41,643.83

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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.