Home / 110,918.46-153,073.02-65,622.96

Finding the Fourth Proportional to 110,918.46, 153,073.02 and 65,622.96

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Solution

The fourth proportional to 110,918.46, 153,073.02 and 65,622.96 is: 90,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,918.46 : 153,073.02 = 65,622.96 : x
  2. Step 2: Convert to fraction form
    110,918.46/153,073.02 = 65,622.96/x
  3. Step 3: Cross multiply
    110,918.46x = 153,073.02 × 65,622.96
  4. Step 4: Simplify right side
    110,918.46x = 10,045,104,668.54
  5. Step 5: Solve for x
    x = 10,045,104,668.54/110,918.46
  6. Step 6: Final answer
    x = 90,562.97

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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.