Home / 87,664.70-131,424.15-46,111.70

Finding the Fourth Proportional to 87,664.70, 131,424.15 and 46,111.70

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Solution

The fourth proportional to 87,664.70, 131,424.15 and 46,111.70 is: 69,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,664.70 : 131,424.15 = 46,111.70 : x
  2. Step 2: Convert to fraction form
    87,664.70/131,424.15 = 46,111.70/x
  3. Step 3: Cross multiply
    87,664.70x = 131,424.15 × 46,111.70
  4. Step 4: Simplify right side
    87,664.70x = 6,060,190,977.56
  5. Step 5: Solve for x
    x = 6,060,190,977.56/87,664.70
  6. Step 6: Final answer
    x = 69,129.20

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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.