Home / 112,720.48-169,142.92-62,828.68

Finding the Fourth Proportional to 112,720.48, 169,142.92 and 62,828.68

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Solution

The fourth proportional to 112,720.48, 169,142.92 and 62,828.68 is: 94,277.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,720.48 : 169,142.92 = 62,828.68 : x
  2. Step 2: Convert to fraction form
    112,720.48/169,142.92 = 62,828.68/x
  3. Step 3: Cross multiply
    112,720.48x = 169,142.92 × 62,828.68
  4. Step 4: Simplify right side
    112,720.48x = 10,627,026,394.95
  5. Step 5: Solve for x
    x = 10,627,026,394.95/112,720.48
  6. Step 6: Final answer
    x = 94,277.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.