Home / 54,054.12-81,081.17-39,356.57

Finding the Fourth Proportional to 54,054.12, 81,081.17 and 39,356.57

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Solution

The fourth proportional to 54,054.12, 81,081.17 and 39,356.57 is: 59,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,054.12 : 81,081.17 = 39,356.57 : x
  2. Step 2: Convert to fraction form
    54,054.12/81,081.17 = 39,356.57/x
  3. Step 3: Cross multiply
    54,054.12x = 81,081.17 × 39,356.57
  4. Step 4: Simplify right side
    54,054.12x = 3,191,076,435.77
  5. Step 5: Solve for x
    x = 3,191,076,435.77/54,054.12
  6. Step 6: Final answer
    x = 59,034.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.