Home / 104,368.24-144,028.22-56,621.58

Finding the Fourth Proportional to 104,368.24, 144,028.22 and 56,621.58

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Solution

The fourth proportional to 104,368.24, 144,028.22 and 56,621.58 is: 78,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,368.24 : 144,028.22 = 56,621.58 : x
  2. Step 2: Convert to fraction form
    104,368.24/144,028.22 = 56,621.58/x
  3. Step 3: Cross multiply
    104,368.24x = 144,028.22 × 56,621.58
  4. Step 4: Simplify right side
    104,368.24x = 8,155,105,380.99
  5. Step 5: Solve for x
    x = 8,155,105,380.99/104,368.24
  6. Step 6: Final answer
    x = 78,137.81

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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.