Home / 116,739.95-161,089.49-65,751.26

Finding the Fourth Proportional to 116,739.95, 161,089.49 and 65,751.26

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Solution

The fourth proportional to 116,739.95, 161,089.49 and 65,751.26 is: 90,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,739.95 : 161,089.49 = 65,751.26 : x
  2. Step 2: Convert to fraction form
    116,739.95/161,089.49 = 65,751.26/x
  3. Step 3: Cross multiply
    116,739.95x = 161,089.49 × 65,751.26
  4. Step 4: Simplify right side
    116,739.95x = 10,591,836,299.19
  5. Step 5: Solve for x
    x = 10,591,836,299.19/116,739.95
  6. Step 6: Final answer
    x = 90,730.18

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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.