Home / 124,277.51-171,448.40-83,976.59

Finding the Fourth Proportional to 124,277.51, 171,448.40 and 83,976.59

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Solution

The fourth proportional to 124,277.51, 171,448.40 and 83,976.59 is: 115,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,277.51 : 171,448.40 = 83,976.59 : x
  2. Step 2: Convert to fraction form
    124,277.51/171,448.40 = 83,976.59/x
  3. Step 3: Cross multiply
    124,277.51x = 171,448.40 × 83,976.59
  4. Step 4: Simplify right side
    124,277.51x = 14,397,651,345.66
  5. Step 5: Solve for x
    x = 14,397,651,345.66/124,277.51
  6. Step 6: Final answer
    x = 115,850.82

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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.