Home / 104,909.17-144,774.67-57,162.52

Finding the Fourth Proportional to 104,909.17, 144,774.67 and 57,162.52

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Solution

The fourth proportional to 104,909.17, 144,774.67 and 57,162.52 is: 78,884.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,909.17 : 144,774.67 = 57,162.52 : x
  2. Step 2: Convert to fraction form
    104,909.17/144,774.67 = 57,162.52/x
  3. Step 3: Cross multiply
    104,909.17x = 144,774.67 × 57,162.52
  4. Step 4: Simplify right side
    104,909.17x = 8,275,684,969.37
  5. Step 5: Solve for x
    x = 8,275,684,969.37/104,909.17
  6. Step 6: Final answer
    x = 78,884.29

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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.