Home / 54,314.64-74,946.92-31,345.34

Finding the Fourth Proportional to 54,314.64, 74,946.92 and 31,345.34

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Solution

The fourth proportional to 54,314.64, 74,946.92 and 31,345.34 is: 43,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,314.64 : 74,946.92 = 31,345.34 : x
  2. Step 2: Convert to fraction form
    54,314.64/74,946.92 = 31,345.34/x
  3. Step 3: Cross multiply
    54,314.64x = 74,946.92 × 31,345.34
  4. Step 4: Simplify right side
    54,314.64x = 2,349,236,157.89
  5. Step 5: Solve for x
    x = 2,349,236,157.89/54,314.64
  6. Step 6: Final answer
    x = 43,252.36

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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.