Home / 54,234.90-74,841.98-31,574.54

Finding the Fourth Proportional to 54,234.90, 74,841.98 and 31,574.54

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Solution

The fourth proportional to 54,234.90, 74,841.98 and 31,574.54 is: 43,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.90 : 74,841.98 = 31,574.54 : x
  2. Step 2: Convert to fraction form
    54,234.90/74,841.98 = 31,574.54/x
  3. Step 3: Cross multiply
    54,234.90x = 74,841.98 × 31,574.54
  4. Step 4: Simplify right side
    54,234.90x = 2,363,101,120.42
  5. Step 5: Solve for x
    x = 2,363,101,120.42/54,234.90
  6. Step 6: Final answer
    x = 43,571.60

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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.