Home / 54,981.15-75,873.99-31,107.34

Finding the Fourth Proportional to 54,981.15, 75,873.99 and 31,107.34

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Solution

The fourth proportional to 54,981.15, 75,873.99 and 31,107.34 is: 42,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,981.15 : 75,873.99 = 31,107.34 : x
  2. Step 2: Convert to fraction form
    54,981.15/75,873.99 = 31,107.34/x
  3. Step 3: Cross multiply
    54,981.15x = 75,873.99 × 31,107.34
  4. Step 4: Simplify right side
    54,981.15x = 2,360,238,004.09
  5. Step 5: Solve for x
    x = 2,360,238,004.09/54,981.15
  6. Step 6: Final answer
    x = 42,928.13

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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.