Home / 104,977.48-144,867.12-57,227.92

Finding the Fourth Proportional to 104,977.48, 144,867.12 and 57,227.92

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Solution

The fourth proportional to 104,977.48, 144,867.12 and 57,227.92 is: 78,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977.48 : 144,867.12 = 57,227.92 : x
  2. Step 2: Convert to fraction form
    104,977.48/144,867.12 = 57,227.92/x
  3. Step 3: Cross multiply
    104,977.48x = 144,867.12 × 57,227.92
  4. Step 4: Simplify right side
    104,977.48x = 8,290,443,953.99
  5. Step 5: Solve for x
    x = 8,290,443,953.99/104,977.48
  6. Step 6: Final answer
    x = 78,973.55

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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.