Home / 87,544.98-120,822.84-49,811.94

Finding the Fourth Proportional to 87,544.98, 120,822.84 and 49,811.94

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Solution

The fourth proportional to 87,544.98, 120,822.84 and 49,811.94 is: 68,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,544.98 : 120,822.84 = 49,811.94 : x
  2. Step 2: Convert to fraction form
    87,544.98/120,822.84 = 49,811.94/x
  3. Step 3: Cross multiply
    87,544.98x = 120,822.84 × 49,811.94
  4. Step 4: Simplify right side
    87,544.98x = 6,018,420,056.71
  5. Step 5: Solve for x
    x = 6,018,420,056.71/87,544.98
  6. Step 6: Final answer
    x = 68,746.60

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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.