Home / 117,307.91-161,886.07-63,592.80

Finding the Fourth Proportional to 117,307.91, 161,886.07 and 63,592.80

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Solution

The fourth proportional to 117,307.91, 161,886.07 and 63,592.80 is: 87,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,307.91 : 161,886.07 = 63,592.80 : x
  2. Step 2: Convert to fraction form
    117,307.91/161,886.07 = 63,592.80/x
  3. Step 3: Cross multiply
    117,307.91x = 161,886.07 × 63,592.80
  4. Step 4: Simplify right side
    117,307.91x = 10,294,787,765.86
  5. Step 5: Solve for x
    x = 10,294,787,765.86/117,307.91
  6. Step 6: Final answer
    x = 87,758.68

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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.