Home / 117,062.41-161,545.93-66,085.87

Finding the Fourth Proportional to 117,062.41, 161,545.93 and 66,085.87

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Solution

The fourth proportional to 117,062.41, 161,545.93 and 66,085.87 is: 91,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,062.41 : 161,545.93 = 66,085.87 : x
  2. Step 2: Convert to fraction form
    117,062.41/161,545.93 = 66,085.87/x
  3. Step 3: Cross multiply
    117,062.41x = 161,545.93 × 66,085.87
  4. Step 4: Simplify right side
    117,062.41x = 10,675,903,329.01
  5. Step 5: Solve for x
    x = 10,675,903,329.01/117,062.41
  6. Step 6: Final answer
    x = 91,198.39

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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.