Home / 52,422.59-72,342.32-28,548.75

Finding the Fourth Proportional to 52,422.59, 72,342.32 and 28,548.75

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Solution

The fourth proportional to 52,422.59, 72,342.32 and 28,548.75 is: 39,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422.59 : 72,342.32 = 28,548.75 : x
  2. Step 2: Convert to fraction form
    52,422.59/72,342.32 = 28,548.75/x
  3. Step 3: Cross multiply
    52,422.59x = 72,342.32 × 28,548.75
  4. Step 4: Simplify right side
    52,422.59x = 2,065,282,936.64
  5. Step 5: Solve for x
    x = 2,065,282,936.64/52,422.59
  6. Step 6: Final answer
    x = 39,396.81

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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.