Home / 116,822.60-161,269.01-68,417.80

Finding the Fourth Proportional to 116,822.60, 161,269.01 and 68,417.80

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Solution

The fourth proportional to 116,822.60, 161,269.01 and 68,417.80 is: 94,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,822.60 : 161,269.01 = 68,417.80 : x
  2. Step 2: Convert to fraction form
    116,822.60/161,269.01 = 68,417.80/x
  3. Step 3: Cross multiply
    116,822.60x = 161,269.01 × 68,417.80
  4. Step 4: Simplify right side
    116,822.60x = 11,033,670,640.25
  5. Step 5: Solve for x
    x = 11,033,670,640.25/116,822.60
  6. Step 6: Final answer
    x = 94,448.08

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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.