Home / 117,073.84-161,561.90-63,359.24

Finding the Fourth Proportional to 117,073.84, 161,561.90 and 63,359.24

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Solution

The fourth proportional to 117,073.84, 161,561.90 and 63,359.24 is: 87,435.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,073.84 : 161,561.90 = 63,359.24 : x
  2. Step 2: Convert to fraction form
    117,073.84/161,561.90 = 63,359.24/x
  3. Step 3: Cross multiply
    117,073.84x = 161,561.90 × 63,359.24
  4. Step 4: Simplify right side
    117,073.84x = 10,236,439,196.96
  5. Step 5: Solve for x
    x = 10,236,439,196.96/117,073.84
  6. Step 6: Final answer
    x = 87,435.75

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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.