Home / 54,160.16-81,264.48-34,433.60

Finding the Fourth Proportional to 54,160.16, 81,264.48 and 34,433.60

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Solution

The fourth proportional to 54,160.16, 81,264.48 and 34,433.60 is: 51,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,160.16 : 81,264.48 = 34,433.60 : x
  2. Step 2: Convert to fraction form
    54,160.16/81,264.48 = 34,433.60/x
  3. Step 3: Cross multiply
    54,160.16x = 81,264.48 × 34,433.60
  4. Step 4: Simplify right side
    54,160.16x = 2,798,228,598.53
  5. Step 5: Solve for x
    x = 2,798,228,598.53/54,160.16
  6. Step 6: Final answer
    x = 51,665.81

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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.