Home / 54,157.43-74,707.22-31,493.93

Finding the Fourth Proportional to 54,157.43, 74,707.22 and 31,493.93

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Solution

The fourth proportional to 54,157.43, 74,707.22 and 31,493.93 is: 43,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,157.43 : 74,707.22 = 31,493.93 : x
  2. Step 2: Convert to fraction form
    54,157.43/74,707.22 = 31,493.93/x
  3. Step 3: Cross multiply
    54,157.43x = 74,707.22 × 31,493.93
  4. Step 4: Simplify right side
    54,157.43x = 2,352,823,957.17
  5. Step 5: Solve for x
    x = 2,352,823,957.17/54,157.43
  6. Step 6: Final answer
    x = 43,444.16

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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.