Home / 126,459.09-174,517.07-69,874.11

Finding the Fourth Proportional to 126,459.09, 174,517.07 and 69,874.11

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Solution

The fourth proportional to 126,459.09, 174,517.07 and 69,874.11 is: 96,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,459.09 : 174,517.07 = 69,874.11 : x
  2. Step 2: Convert to fraction form
    126,459.09/174,517.07 = 69,874.11/x
  3. Step 3: Cross multiply
    126,459.09x = 174,517.07 × 69,874.11
  4. Step 4: Simplify right side
    126,459.09x = 12,194,224,596.69
  5. Step 5: Solve for x
    x = 12,194,224,596.69/126,459.09
  6. Step 6: Final answer
    x = 96,428.22

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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.