Home / 104,299.77-143,936.51-58,984.50

Finding the Fourth Proportional to 104,299.77, 143,936.51 and 58,984.50

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Solution

The fourth proportional to 104,299.77, 143,936.51 and 58,984.50 is: 81,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,299.77 : 143,936.51 = 58,984.50 : x
  2. Step 2: Convert to fraction form
    104,299.77/143,936.51 = 58,984.50/x
  3. Step 3: Cross multiply
    104,299.77x = 143,936.51 × 58,984.50
  4. Step 4: Simplify right side
    104,299.77x = 8,490,023,074.10
  5. Step 5: Solve for x
    x = 8,490,023,074.10/104,299.77
  6. Step 6: Final answer
    x = 81,400.21

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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.