Home / 104,749.34-144,542.39-61,726.05

Finding the Fourth Proportional to 104,749.34, 144,542.39 and 61,726.05

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Solution

The fourth proportional to 104,749.34, 144,542.39 and 61,726.05 is: 85,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,749.34 : 144,542.39 = 61,726.05 : x
  2. Step 2: Convert to fraction form
    104,749.34/144,542.39 = 61,726.05/x
  3. Step 3: Cross multiply
    104,749.34x = 144,542.39 × 61,726.05
  4. Step 4: Simplify right side
    104,749.34x = 8,922,030,483.63
  5. Step 5: Solve for x
    x = 8,922,030,483.63/104,749.34
  6. Step 6: Final answer
    x = 85,175.06

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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.