Home / 54,317.64-81,104.87-48,658.78

Finding the Fourth Proportional to 54,317.64, 81,104.87 and 48,658.78

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Solution

The fourth proportional to 54,317.64, 81,104.87 and 48,658.78 is: 72,655.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.64 : 81,104.87 = 48,658.78 : x
  2. Step 2: Convert to fraction form
    54,317.64/81,104.87 = 48,658.78/x
  3. Step 3: Cross multiply
    54,317.64x = 81,104.87 × 48,658.78
  4. Step 4: Simplify right side
    54,317.64x = 3,946,463,580.20
  5. Step 5: Solve for x
    x = 3,946,463,580.20/54,317.64
  6. Step 6: Final answer
    x = 72,655.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.