Home / 72,973.74-109,467.09-26,239.98

Finding the Fourth Proportional to 72,973.74, 109,467.09 and 26,239.98

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Solution

The fourth proportional to 72,973.74, 109,467.09 and 26,239.98 is: 39,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,973.74 : 109,467.09 = 26,239.98 : x
  2. Step 2: Convert to fraction form
    72,973.74/109,467.09 = 26,239.98/x
  3. Step 3: Cross multiply
    72,973.74x = 109,467.09 × 26,239.98
  4. Step 4: Simplify right side
    72,973.74x = 2,872,414,252.26
  5. Step 5: Solve for x
    x = 2,872,414,252.26/72,973.74
  6. Step 6: Final answer
    x = 39,362.30

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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.