Home / 87,577.86-131,409.72-54,289.11

Finding the Fourth Proportional to 87,577.86, 131,409.72 and 54,289.11

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Solution

The fourth proportional to 87,577.86, 131,409.72 and 54,289.11 is: 81,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,577.86 : 131,409.72 = 54,289.11 : x
  2. Step 2: Convert to fraction form
    87,577.86/131,409.72 = 54,289.11/x
  3. Step 3: Cross multiply
    87,577.86x = 131,409.72 × 54,289.11
  4. Step 4: Simplify right side
    87,577.86x = 7,134,116,744.15
  5. Step 5: Solve for x
    x = 7,134,116,744.15/87,577.86
  6. Step 6: Final answer
    x = 81,460.28

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1.5x scale

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.