Home / 87,849.86-121,232.74-47,563.98

Finding the Fourth Proportional to 87,849.86, 121,232.74 and 47,563.98

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Solution

The fourth proportional to 87,849.86, 121,232.74 and 47,563.98 is: 65,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.86 : 121,232.74 = 47,563.98 : x
  2. Step 2: Convert to fraction form
    87,849.86/121,232.74 = 47,563.98/x
  3. Step 3: Cross multiply
    87,849.86x = 121,232.74 × 47,563.98
  4. Step 4: Simplify right side
    87,849.86x = 5,766,311,620.71
  5. Step 5: Solve for x
    x = 5,766,311,620.71/87,849.86
  6. Step 6: Final answer
    x = 65,638.26

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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.