Home / 124,015.17-171,177.36-81,001.25

Finding the Fourth Proportional to 124,015.17, 171,177.36 and 81,001.25

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Solution

The fourth proportional to 124,015.17, 171,177.36 and 81,001.25 is: 111,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,015.17 : 171,177.36 = 81,001.25 : x
  2. Step 2: Convert to fraction form
    124,015.17/171,177.36 = 81,001.25/x
  3. Step 3: Cross multiply
    124,015.17x = 171,177.36 × 81,001.25
  4. Step 4: Simplify right side
    124,015.17x = 13,865,579,275.81
  5. Step 5: Solve for x
    x = 13,865,579,275.81/124,015.17
  6. Step 6: Final answer
    x = 111,805.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.