Home / 77,195.26-106,531.44-45,365.86

Finding the Fourth Proportional to 77,195.26, 106,531.44 and 45,365.86

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Solution

The fourth proportional to 77,195.26, 106,531.44 and 45,365.86 is: 62,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,195.26 : 106,531.44 = 45,365.86 : x
  2. Step 2: Convert to fraction form
    77,195.26/106,531.44 = 45,365.86/x
  3. Step 3: Cross multiply
    77,195.26x = 106,531.44 × 45,365.86
  4. Step 4: Simplify right side
    77,195.26x = 4,832,890,392.64
  5. Step 5: Solve for x
    x = 4,832,890,392.64/77,195.26
  6. Step 6: Final answer
    x = 62,606.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.