Home / 123,052.60-169,809.06-69,336.64

Finding the Fourth Proportional to 123,052.60, 169,809.06 and 69,336.64

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Solution

The fourth proportional to 123,052.60, 169,809.06 and 69,336.64 is: 95,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,052.60 : 169,809.06 = 69,336.64 : x
  2. Step 2: Convert to fraction form
    123,052.60/169,809.06 = 69,336.64/x
  3. Step 3: Cross multiply
    123,052.60x = 169,809.06 × 69,336.64
  4. Step 4: Simplify right side
    123,052.60x = 11,773,989,661.96
  5. Step 5: Solve for x
    x = 11,773,989,661.96/123,052.60
  6. Step 6: Final answer
    x = 95,682.58

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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.