Home / 116,728.69-174,812.46-66,657.19

Finding the Fourth Proportional to 116,728.69, 174,812.46 and 66,657.19

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Solution

The fourth proportional to 116,728.69, 174,812.46 and 66,657.19 is: 99,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,728.69 : 174,812.46 = 66,657.19 : x
  2. Step 2: Convert to fraction form
    116,728.69/174,812.46 = 66,657.19/x
  3. Step 3: Cross multiply
    116,728.69x = 174,812.46 × 66,657.19
  4. Step 4: Simplify right side
    116,728.69x = 11,652,506,673.59
  5. Step 5: Solve for x
    x = 11,652,506,673.59/116,728.69
  6. Step 6: Final answer
    x = 99,825.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.