Home / 54,310.90-81,466.35-53,436.10

Finding the Fourth Proportional to 54,310.90, 81,466.35 and 53,436.10

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Solution

The fourth proportional to 54,310.90, 81,466.35 and 53,436.10 is: 80,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.90 : 81,466.35 = 53,436.10 : x
  2. Step 2: Convert to fraction form
    54,310.90/81,466.35 = 53,436.10/x
  3. Step 3: Cross multiply
    54,310.90x = 81,466.35 × 53,436.10
  4. Step 4: Simplify right side
    54,310.90x = 4,353,244,025.24
  5. Step 5: Solve for x
    x = 4,353,244,025.24/54,310.90
  6. Step 6: Final answer
    x = 80,154.15

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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.