Home / 60,638.22-90,945.18-21,199.32

Finding the Fourth Proportional to 60,638.22, 90,945.18 and 21,199.32

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Solution

The fourth proportional to 60,638.22, 90,945.18 and 21,199.32 is: 31,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,638.22 : 90,945.18 = 21,199.32 : x
  2. Step 2: Convert to fraction form
    60,638.22/90,945.18 = 21,199.32/x
  3. Step 3: Cross multiply
    60,638.22x = 90,945.18 × 21,199.32
  4. Step 4: Simplify right side
    60,638.22x = 1,927,975,973.28
  5. Step 5: Solve for x
    x = 1,927,975,973.28/60,638.22
  6. Step 6: Final answer
    x = 31,794.73

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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.