Home / 54,272.10-81,408.15-51,968.10

Finding the Fourth Proportional to 54,272.10, 81,408.15 and 51,968.10

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Solution

The fourth proportional to 54,272.10, 81,408.15 and 51,968.10 is: 77,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.10 : 81,408.15 = 51,968.10 : x
  2. Step 2: Convert to fraction form
    54,272.10/81,408.15 = 51,968.10/x
  3. Step 3: Cross multiply
    54,272.10x = 81,408.15 × 51,968.10
  4. Step 4: Simplify right side
    54,272.10x = 4,230,626,880.02
  5. Step 5: Solve for x
    x = 4,230,626,880.02/54,272.10
  6. Step 6: Final answer
    x = 77,952.15

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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.