Home / 104,621.24-144,380.14-56,877.86

Finding the Fourth Proportional to 104,621.24, 144,380.14 and 56,877.86

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Solution

The fourth proportional to 104,621.24, 144,380.14 and 56,877.86 is: 78,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.24 : 144,380.14 = 56,877.86 : x
  2. Step 2: Convert to fraction form
    104,621.24/144,380.14 = 56,877.86/x
  3. Step 3: Cross multiply
    104,621.24x = 144,380.14 × 56,877.86
  4. Step 4: Simplify right side
    104,621.24x = 8,212,033,389.70
  5. Step 5: Solve for x
    x = 8,212,033,389.70/104,621.24
  6. Step 6: Final answer
    x = 78,492.98

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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.