Home / 78,113.42-117,134.82-24,790.04

Finding the Fourth Proportional to 78,113.42, 117,134.82 and 24,790.04

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Solution

The fourth proportional to 78,113.42, 117,134.82 and 24,790.04 is: 37,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,113.42 : 117,134.82 = 24,790.04 : x
  2. Step 2: Convert to fraction form
    78,113.42/117,134.82 = 24,790.04/x
  3. Step 3: Cross multiply
    78,113.42x = 117,134.82 × 24,790.04
  4. Step 4: Simplify right side
    78,113.42x = 2,903,776,873.19
  5. Step 5: Solve for x
    x = 2,903,776,873.19/78,113.42
  6. Step 6: Final answer
    x = 37,173.85

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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.