Home / 52,258.52-78,387.42-21,093.32

Finding the Fourth Proportional to 52,258.52, 78,387.42 and 21,093.32

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Solution

The fourth proportional to 52,258.52, 78,387.42 and 21,093.32 is: 31,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258.52 : 78,387.42 = 21,093.32 : x
  2. Step 2: Convert to fraction form
    52,258.52/78,387.42 = 21,093.32/x
  3. Step 3: Cross multiply
    52,258.52x = 78,387.42 × 21,093.32
  4. Step 4: Simplify right side
    52,258.52x = 1,653,450,934.03
  5. Step 5: Solve for x
    x = 1,653,450,934.03/52,258.52
  6. Step 6: Final answer
    x = 31,639.83

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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.