Home / 116,112.53-160,250.12-68,370.32

Finding the Fourth Proportional to 116,112.53, 160,250.12 and 68,370.32

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Solution

The fourth proportional to 116,112.53, 160,250.12 and 68,370.32 is: 94,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,112.53 : 160,250.12 = 68,370.32 : x
  2. Step 2: Convert to fraction form
    116,112.53/160,250.12 = 68,370.32/x
  3. Step 3: Cross multiply
    116,112.53x = 160,250.12 × 68,370.32
  4. Step 4: Simplify right side
    116,112.53x = 10,956,350,841.34
  5. Step 5: Solve for x
    x = 10,956,350,841.34/116,112.53
  6. Step 6: Final answer
    x = 94,359.77

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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.