Home / 54,626.90-81,940.35-47,110.10

Finding the Fourth Proportional to 54,626.90, 81,940.35 and 47,110.10

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Solution

The fourth proportional to 54,626.90, 81,940.35 and 47,110.10 is: 70,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,626.90 : 81,940.35 = 47,110.10 : x
  2. Step 2: Convert to fraction form
    54,626.90/81,940.35 = 47,110.10/x
  3. Step 3: Cross multiply
    54,626.90x = 81,940.35 × 47,110.10
  4. Step 4: Simplify right side
    54,626.90x = 3,860,218,082.54
  5. Step 5: Solve for x
    x = 3,860,218,082.54/54,626.90
  6. Step 6: Final answer
    x = 70,665.15

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1.5x scale

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.