Home / 116,999.41-161,445.30-66,009.16

Finding the Fourth Proportional to 116,999.41, 161,445.30 and 66,009.16

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Solution

The fourth proportional to 116,999.41, 161,445.30 and 66,009.16 is: 91,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,999.41 : 161,445.30 = 66,009.16 : x
  2. Step 2: Convert to fraction form
    116,999.41/161,445.30 = 66,009.16/x
  3. Step 3: Cross multiply
    116,999.41x = 161,445.30 × 66,009.16
  4. Step 4: Simplify right side
    116,999.41x = 10,656,868,925.94
  5. Step 5: Solve for x
    x = 10,656,868,925.94/116,999.41
  6. Step 6: Final answer
    x = 91,084.81

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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.