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Finding the Fourth Proportional to 110,048.78, 165,084.10 and 39,933.56

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Solution

The fourth proportional to 110,048.78, 165,084.10 and 39,933.56 is: 59,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,048.78 : 165,084.10 = 39,933.56 : x
  2. Step 2: Convert to fraction form
    110,048.78/165,084.10 = 39,933.56/x
  3. Step 3: Cross multiply
    110,048.78x = 165,084.10 × 39,933.56
  4. Step 4: Simplify right side
    110,048.78x = 6,592,395,812.40
  5. Step 5: Solve for x
    x = 6,592,395,812.40/110,048.78
  6. Step 6: Final answer
    x = 59,904.31

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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.