Home / 104,184.48-143,787.60-61,759.20

Finding the Fourth Proportional to 104,184.48, 143,787.60 and 61,759.20

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Solution

The fourth proportional to 104,184.48, 143,787.60 and 61,759.20 is: 85,235.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,184.48 : 143,787.60 = 61,759.20 : x
  2. Step 2: Convert to fraction form
    104,184.48/143,787.60 = 61,759.20/x
  3. Step 3: Cross multiply
    104,184.48x = 143,787.60 × 61,759.20
  4. Step 4: Simplify right side
    104,184.48x = 8,880,207,145.92
  5. Step 5: Solve for x
    x = 8,880,207,145.92/104,184.48
  6. Step 6: Final answer
    x = 85,235.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.