Home / 52,556.19-78,787.42-19,268.50

Finding the Fourth Proportional to 52,556.19, 78,787.42 and 19,268.50

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Solution

The fourth proportional to 52,556.19, 78,787.42 and 19,268.50 is: 28,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,556.19 : 78,787.42 = 19,268.50 : x
  2. Step 2: Convert to fraction form
    52,556.19/78,787.42 = 19,268.50/x
  3. Step 3: Cross multiply
    52,556.19x = 78,787.42 × 19,268.50
  4. Step 4: Simplify right side
    52,556.19x = 1,518,115,452.58
  5. Step 5: Solve for x
    x = 1,518,115,452.58/52,556.19
  6. Step 6: Final answer
    x = 28,885.57

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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.