Home / 52,386.88-78,364.32-33,638.08

Finding the Fourth Proportional to 52,386.88, 78,364.32 and 33,638.08

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Solution

The fourth proportional to 52,386.88, 78,364.32 and 33,638.08 is: 50,318.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,386.88 : 78,364.32 = 33,638.08 : x
  2. Step 2: Convert to fraction form
    52,386.88/78,364.32 = 33,638.08/x
  3. Step 3: Cross multiply
    52,386.88x = 78,364.32 × 33,638.08
  4. Step 4: Simplify right side
    52,386.88x = 2,636,025,265.31
  5. Step 5: Solve for x
    x = 2,636,025,265.31/52,386.88
  6. Step 6: Final answer
    x = 50,318.42

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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.