Home / 72,450.90-108,637.47-22,509.54

Finding the Fourth Proportional to 72,450.90, 108,637.47 and 22,509.54

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Solution

The fourth proportional to 72,450.90, 108,637.47 and 22,509.54 is: 33,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,450.90 : 108,637.47 = 22,509.54 : x
  2. Step 2: Convert to fraction form
    72,450.90/108,637.47 = 22,509.54/x
  3. Step 3: Cross multiply
    72,450.90x = 108,637.47 × 22,509.54
  4. Step 4: Simplify right side
    72,450.90x = 2,445,379,476.46
  5. Step 5: Solve for x
    x = 2,445,379,476.46/72,450.90
  6. Step 6: Final answer
    x = 33,752.23

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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.