Home / 78,835.01-118,253.39-26,244.41

Finding the Fourth Proportional to 78,835.01, 118,253.39 and 26,244.41

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Solution

The fourth proportional to 78,835.01, 118,253.39 and 26,244.41 is: 39,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,835.01 : 118,253.39 = 26,244.41 : x
  2. Step 2: Convert to fraction form
    78,835.01/118,253.39 = 26,244.41/x
  3. Step 3: Cross multiply
    78,835.01x = 118,253.39 × 26,244.41
  4. Step 4: Simplify right side
    78,835.01x = 3,103,489,728.56
  5. Step 5: Solve for x
    x = 3,103,489,728.56/78,835.01
  6. Step 6: Final answer
    x = 39,366.90

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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.