Home / 54,104.40-74,672.64-32,890.32

Finding the Fourth Proportional to 54,104.40, 74,672.64 and 32,890.32

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Solution

The fourth proportional to 54,104.40, 74,672.64 and 32,890.32 is: 45,393.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,104.40 : 74,672.64 = 32,890.32 : x
  2. Step 2: Convert to fraction form
    54,104.40/74,672.64 = 32,890.32/x
  3. Step 3: Cross multiply
    54,104.40x = 74,672.64 × 32,890.32
  4. Step 4: Simplify right side
    54,104.40x = 2,456,007,024.84
  5. Step 5: Solve for x
    x = 2,456,007,024.84/54,104.40
  6. Step 6: Final answer
    x = 45,393.85

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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.