Home / 54,363.75-75,022.11-31,718.31

Finding the Fourth Proportional to 54,363.75, 75,022.11 and 31,718.31

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Solution

The fourth proportional to 54,363.75, 75,022.11 and 31,718.31 is: 43,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,363.75 : 75,022.11 = 31,718.31 : x
  2. Step 2: Convert to fraction form
    54,363.75/75,022.11 = 31,718.31/x
  3. Step 3: Cross multiply
    54,363.75x = 75,022.11 × 31,718.31
  4. Step 4: Simplify right side
    54,363.75x = 2,379,574,541.83
  5. Step 5: Solve for x
    x = 2,379,574,541.83/54,363.75
  6. Step 6: Final answer
    x = 43,771.35

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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.