Home / 117,022.96-161,491.20-63,307.85

Finding the Fourth Proportional to 117,022.96, 161,491.20 and 63,307.85

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Solution

The fourth proportional to 117,022.96, 161,491.20 and 63,307.85 is: 87,364.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,022.96 : 161,491.20 = 63,307.85 : x
  2. Step 2: Convert to fraction form
    117,022.96/161,491.20 = 63,307.85/x
  3. Step 3: Cross multiply
    117,022.96x = 161,491.20 × 63,307.85
  4. Step 4: Simplify right side
    117,022.96x = 10,223,660,665.92
  5. Step 5: Solve for x
    x = 10,223,660,665.92/117,022.96
  6. Step 6: Final answer
    x = 87,364.57

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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.