Home / 84,948.24-117,225.72-47,221.68

Finding the Fourth Proportional to 84,948.24, 117,225.72 and 47,221.68

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Solution

The fourth proportional to 84,948.24, 117,225.72 and 47,221.68 is: 65,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,948.24 : 117,225.72 = 47,221.68 : x
  2. Step 2: Convert to fraction form
    84,948.24/117,225.72 = 47,221.68/x
  3. Step 3: Cross multiply
    84,948.24x = 117,225.72 × 47,221.68
  4. Step 4: Simplify right side
    84,948.24x = 5,535,595,437.61
  5. Step 5: Solve for x
    x = 5,535,595,437.61/84,948.24
  6. Step 6: Final answer
    x = 65,164.33

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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.