Home / 78,590.93-117,820.27-34,184.24

Finding the Fourth Proportional to 78,590.93, 117,820.27 and 34,184.24

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Solution

The fourth proportional to 78,590.93, 117,820.27 and 34,184.24 is: 51,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,590.93 : 117,820.27 = 34,184.24 : x
  2. Step 2: Convert to fraction form
    78,590.93/117,820.27 = 34,184.24/x
  3. Step 3: Cross multiply
    78,590.93x = 117,820.27 × 34,184.24
  4. Step 4: Simplify right side
    78,590.93x = 4,027,595,797.44
  5. Step 5: Solve for x
    x = 4,027,595,797.44/78,590.93
  6. Step 6: Final answer
    x = 51,247.59

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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.