Home / 78,868.82-118,303.20-23,464.82

Finding the Fourth Proportional to 78,868.82, 118,303.20 and 23,464.82

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Solution

The fourth proportional to 78,868.82, 118,303.20 and 23,464.82 is: 35,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,868.82 : 118,303.20 = 23,464.82 : x
  2. Step 2: Convert to fraction form
    78,868.82/118,303.20 = 23,464.82/x
  3. Step 3: Cross multiply
    78,868.82x = 118,303.20 × 23,464.82
  4. Step 4: Simplify right side
    78,868.82x = 2,775,962,701.91
  5. Step 5: Solve for x
    x = 2,775,962,701.91/78,868.82
  6. Step 6: Final answer
    x = 35,197.22

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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.