Home / 52,061.54-78,076.31-18,777.42

Finding the Fourth Proportional to 52,061.54, 78,076.31 and 18,777.42

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Solution

The fourth proportional to 52,061.54, 78,076.31 and 18,777.42 is: 28,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,061.54 : 78,076.31 = 18,777.42 : x
  2. Step 2: Convert to fraction form
    52,061.54/78,076.31 = 18,777.42/x
  3. Step 3: Cross multiply
    52,061.54x = 78,076.31 × 18,777.42
  4. Step 4: Simplify right side
    52,061.54x = 1,466,071,571.03
  5. Step 5: Solve for x
    x = 1,466,071,571.03/52,061.54
  6. Step 6: Final answer
    x = 28,160.36

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1.5x scale

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.