Home / 113,076.62-169,615.51-66,296.69

Finding the Fourth Proportional to 113,076.62, 169,615.51 and 66,296.69

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Solution

The fourth proportional to 113,076.62, 169,615.51 and 66,296.69 is: 99,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,076.62 : 169,615.51 = 66,296.69 : x
  2. Step 2: Convert to fraction form
    113,076.62/169,615.51 = 66,296.69/x
  3. Step 3: Cross multiply
    113,076.62x = 169,615.51 × 66,296.69
  4. Step 4: Simplify right side
    113,076.62x = 11,244,945,871.84
  5. Step 5: Solve for x
    x = 11,244,945,871.84/113,076.62
  6. Step 6: Final answer
    x = 99,445.37

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1.5x scale

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.