Home / 117,311.79-161,890.38-63,596.76

Finding the Fourth Proportional to 117,311.79, 161,890.38 and 63,596.76

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Solution

The fourth proportional to 117,311.79, 161,890.38 and 63,596.76 is: 87,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,311.79 : 161,890.38 = 63,596.76 : x
  2. Step 2: Convert to fraction form
    117,311.79/161,890.38 = 63,596.76/x
  3. Step 3: Cross multiply
    117,311.79x = 161,890.38 × 63,596.76
  4. Step 4: Simplify right side
    117,311.79x = 10,295,703,643.17
  5. Step 5: Solve for x
    x = 10,295,703,643.17/117,311.79
  6. Step 6: Final answer
    x = 87,763.59

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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.