Home / 113,629.15-156,809.27-62,643.73

Finding the Fourth Proportional to 113,629.15, 156,809.27 and 62,643.73

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Solution

The fourth proportional to 113,629.15, 156,809.27 and 62,643.73 is: 86,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,629.15 : 156,809.27 = 62,643.73 : x
  2. Step 2: Convert to fraction form
    113,629.15/156,809.27 = 62,643.73/x
  3. Step 3: Cross multiply
    113,629.15x = 156,809.27 × 62,643.73
  4. Step 4: Simplify right side
    113,629.15x = 9,823,117,277.61
  5. Step 5: Solve for x
    x = 9,823,117,277.61/113,629.15
  6. Step 6: Final answer
    x = 86,448.92

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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.