Home / 104,513.84-144,229.87-56,767.20

Finding the Fourth Proportional to 104,513.84, 144,229.87 and 56,767.20

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Solution

The fourth proportional to 104,513.84, 144,229.87 and 56,767.20 is: 78,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,513.84 : 144,229.87 = 56,767.20 : x
  2. Step 2: Convert to fraction form
    104,513.84/144,229.87 = 56,767.20/x
  3. Step 3: Cross multiply
    104,513.84x = 144,229.87 × 56,767.20
  4. Step 4: Simplify right side
    104,513.84x = 8,187,526,303.99
  5. Step 5: Solve for x
    x = 8,187,526,303.99/104,513.84
  6. Step 6: Final answer
    x = 78,339.16

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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.