Home / 54,450.16-75,143.22-31,803.64

Finding the Fourth Proportional to 54,450.16, 75,143.22 and 31,803.64

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Solution

The fourth proportional to 54,450.16, 75,143.22 and 31,803.64 is: 43,890.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,450.16 : 75,143.22 = 31,803.64 : x
  2. Step 2: Convert to fraction form
    54,450.16/75,143.22 = 31,803.64/x
  3. Step 3: Cross multiply
    54,450.16x = 75,143.22 × 31,803.64
  4. Step 4: Simplify right side
    54,450.16x = 2,389,827,917.32
  5. Step 5: Solve for x
    x = 2,389,827,917.32/54,450.16
  6. Step 6: Final answer
    x = 43,890.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.