Home / 52,557.01-78,788.64-19,269.31

Finding the Fourth Proportional to 52,557.01, 78,788.64 and 19,269.31

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Solution

The fourth proportional to 52,557.01, 78,788.64 and 19,269.31 is: 28,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,557.01 : 78,788.64 = 19,269.31 : x
  2. Step 2: Convert to fraction form
    52,557.01/78,788.64 = 19,269.31/x
  3. Step 3: Cross multiply
    52,557.01x = 78,788.64 × 19,269.31
  4. Step 4: Simplify right side
    52,557.01x = 1,518,202,728.64
  5. Step 5: Solve for x
    x = 1,518,202,728.64/52,557.01
  6. Step 6: Final answer
    x = 28,886.78

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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.