Home / 117,062.29-161,545.76-66,085.75

Finding the Fourth Proportional to 117,062.29, 161,545.76 and 66,085.75

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Solution

The fourth proportional to 117,062.29, 161,545.76 and 66,085.75 is: 91,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,062.29 : 161,545.76 = 66,085.75 : x
  2. Step 2: Convert to fraction form
    117,062.29/161,545.76 = 66,085.75/x
  3. Step 3: Cross multiply
    117,062.29x = 161,545.76 × 66,085.75
  4. Step 4: Simplify right side
    117,062.29x = 10,675,871,901.19
  5. Step 5: Solve for x
    x = 10,675,871,901.19/117,062.29
  6. Step 6: Final answer
    x = 91,198.22

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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.