Home / 116,975.04-161,445.60-66,672.96

Finding the Fourth Proportional to 116,975.04, 161,445.60 and 66,672.96

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Solution

The fourth proportional to 116,975.04, 161,445.60 and 66,672.96 is: 92,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,975.04 : 161,445.60 = 66,672.96 : x
  2. Step 2: Convert to fraction form
    116,975.04/161,445.60 = 66,672.96/x
  3. Step 3: Cross multiply
    116,975.04x = 161,445.60 × 66,672.96
  4. Step 4: Simplify right side
    116,975.04x = 10,764,056,030.98
  5. Step 5: Solve for x
    x = 10,764,056,030.98/116,975.04
  6. Step 6: Final answer
    x = 92,020.11

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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.