Home / 54,541.08-81,802.51-15,102.18

Finding the Fourth Proportional to 54,541.08, 81,802.51 and 15,102.18

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Solution

The fourth proportional to 54,541.08, 81,802.51 and 15,102.18 is: 22,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.08 : 81,802.51 = 15,102.18 : x
  2. Step 2: Convert to fraction form
    54,541.08/81,802.51 = 15,102.18/x
  3. Step 3: Cross multiply
    54,541.08x = 81,802.51 × 15,102.18
  4. Step 4: Simplify right side
    54,541.08x = 1,235,396,154.96
  5. Step 5: Solve for x
    x = 1,235,396,154.96/54,541.08
  6. Step 6: Final answer
    x = 22,650.75

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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.