Home / 124,042.98-171,192.03-73,071.75

Finding the Fourth Proportional to 124,042.98, 171,192.03 and 73,071.75

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Solution

The fourth proportional to 124,042.98, 171,192.03 and 73,071.75 is: 100,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,042.98 : 171,192.03 = 73,071.75 : x
  2. Step 2: Convert to fraction form
    124,042.98/171,192.03 = 73,071.75/x
  3. Step 3: Cross multiply
    124,042.98x = 171,192.03 × 73,071.75
  4. Step 4: Simplify right side
    124,042.98x = 12,509,301,218.15
  5. Step 5: Solve for x
    x = 12,509,301,218.15/124,042.98
  6. Step 6: Final answer
    x = 100,846.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.