Home / 104,811.87-144,633.09-59,490.78

Finding the Fourth Proportional to 104,811.87, 144,633.09 and 59,490.78

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Solution

The fourth proportional to 104,811.87, 144,633.09 and 59,490.78 is: 82,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,811.87 : 144,633.09 = 59,490.78 : x
  2. Step 2: Convert to fraction form
    104,811.87/144,633.09 = 59,490.78/x
  3. Step 3: Cross multiply
    104,811.87x = 144,633.09 × 59,490.78
  4. Step 4: Simplify right side
    104,811.87x = 8,604,335,040.46
  5. Step 5: Solve for x
    x = 8,604,335,040.46/104,811.87
  6. Step 6: Final answer
    x = 82,093.14

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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.