Home / 77,922.68-116,818.36-31,150.04

Finding the Fourth Proportional to 77,922.68, 116,818.36 and 31,150.04

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Solution

The fourth proportional to 77,922.68, 116,818.36 and 31,150.04 is: 46,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,922.68 : 116,818.36 = 31,150.04 : x
  2. Step 2: Convert to fraction form
    77,922.68/116,818.36 = 31,150.04/x
  3. Step 3: Cross multiply
    77,922.68x = 116,818.36 × 31,150.04
  4. Step 4: Simplify right side
    77,922.68x = 3,638,896,586.73
  5. Step 5: Solve for x
    x = 3,638,896,586.73/77,922.68
  6. Step 6: Final answer
    x = 46,698.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.