Home / 104,740.87-157,135.91-34,620.18

Finding the Fourth Proportional to 104,740.87, 157,135.91 and 34,620.18

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Solution

The fourth proportional to 104,740.87, 157,135.91 and 34,620.18 is: 51,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,740.87 : 157,135.91 = 34,620.18 : x
  2. Step 2: Convert to fraction form
    104,740.87/157,135.91 = 34,620.18/x
  3. Step 3: Cross multiply
    104,740.87x = 157,135.91 × 34,620.18
  4. Step 4: Simplify right side
    104,740.87x = 5,440,073,052.55
  5. Step 5: Solve for x
    x = 5,440,073,052.55/104,740.87
  6. Step 6: Final answer
    x = 51,938.40

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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.