Home / 94,847.76-142,135.20-69,690.24

Finding the Fourth Proportional to 94,847.76, 142,135.20 and 69,690.24

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Solution

The fourth proportional to 94,847.76, 142,135.20 and 69,690.24 is: 104,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,847.76 : 142,135.20 = 69,690.24 : x
  2. Step 2: Convert to fraction form
    94,847.76/142,135.20 = 69,690.24/x
  3. Step 3: Cross multiply
    94,847.76x = 142,135.20 × 69,690.24
  4. Step 4: Simplify right side
    94,847.76x = 9,905,436,200.45
  5. Step 5: Solve for x
    x = 9,905,436,200.45/94,847.76
  6. Step 6: Final answer
    x = 104,435.11

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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.