Home / 117,777.64-162,537.45-67,486.36

Finding the Fourth Proportional to 117,777.64, 162,537.45 and 67,486.36

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Solution

The fourth proportional to 117,777.64, 162,537.45 and 67,486.36 is: 93,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,777.64 : 162,537.45 = 67,486.36 : x
  2. Step 2: Convert to fraction form
    117,777.64/162,537.45 = 67,486.36/x
  3. Step 3: Cross multiply
    117,777.64x = 162,537.45 × 67,486.36
  4. Step 4: Simplify right side
    117,777.64x = 10,969,060,864.18
  5. Step 5: Solve for x
    x = 10,969,060,864.18/117,777.64
  6. Step 6: Final answer
    x = 93,133.64

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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.