Home / 79,217.55-118,751.85-26,590.14

Finding the Fourth Proportional to 79,217.55, 118,751.85 and 26,590.14

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Solution

The fourth proportional to 79,217.55, 118,751.85 and 26,590.14 is: 39,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,217.55 : 118,751.85 = 26,590.14 : x
  2. Step 2: Convert to fraction form
    79,217.55/118,751.85 = 26,590.14/x
  3. Step 3: Cross multiply
    79,217.55x = 118,751.85 × 26,590.14
  4. Step 4: Simplify right side
    79,217.55x = 3,157,628,316.76
  5. Step 5: Solve for x
    x = 3,157,628,316.76/79,217.55
  6. Step 6: Final answer
    x = 39,860.21

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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.