Home / 76,939.74-115,612.57-41,427.32

Finding the Fourth Proportional to 76,939.74, 115,612.57 and 41,427.32

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Solution

The fourth proportional to 76,939.74, 115,612.57 and 41,427.32 is: 62,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,939.74 : 115,612.57 = 41,427.32 : x
  2. Step 2: Convert to fraction form
    76,939.74/115,612.57 = 41,427.32/x
  3. Step 3: Cross multiply
    76,939.74x = 115,612.57 × 41,427.32
  4. Step 4: Simplify right side
    76,939.74x = 4,789,518,355.35
  5. Step 5: Solve for x
    x = 4,789,518,355.35/76,939.74
  6. Step 6: Final answer
    x = 62,250.25

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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.