Home / 53,494.40-80,205.15-25,427.90

Finding the Fourth Proportional to 53,494.40, 80,205.15 and 25,427.90

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Solution

The fourth proportional to 53,494.40, 80,205.15 and 25,427.90 is: 38,124.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,494.40 : 80,205.15 = 25,427.90 : x
  2. Step 2: Convert to fraction form
    53,494.40/80,205.15 = 25,427.90/x
  3. Step 3: Cross multiply
    53,494.40x = 80,205.15 × 25,427.90
  4. Step 4: Simplify right side
    53,494.40x = 2,039,448,533.69
  5. Step 5: Solve for x
    x = 2,039,448,533.69/53,494.40
  6. Step 6: Final answer
    x = 38,124.52

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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.