Home / 78,922.98-118,390.55-26,332.38

Finding the Fourth Proportional to 78,922.98, 118,390.55 and 26,332.38

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Solution

The fourth proportional to 78,922.98, 118,390.55 and 26,332.38 is: 39,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,922.98 : 118,390.55 = 26,332.38 : x
  2. Step 2: Convert to fraction form
    78,922.98/118,390.55 = 26,332.38/x
  3. Step 3: Cross multiply
    78,922.98x = 118,390.55 × 26,332.38
  4. Step 4: Simplify right side
    78,922.98x = 3,117,504,819.35
  5. Step 5: Solve for x
    x = 3,117,504,819.35/78,922.98
  6. Step 6: Final answer
    x = 39,500.60

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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.