Home / 124,788.49-172,243.44-73,818.94

Finding the Fourth Proportional to 124,788.49, 172,243.44 and 73,818.94

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Solution

The fourth proportional to 124,788.49, 172,243.44 and 73,818.94 is: 101,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,788.49 : 172,243.44 = 73,818.94 : x
  2. Step 2: Convert to fraction form
    124,788.49/172,243.44 = 73,818.94/x
  3. Step 3: Cross multiply
    124,788.49x = 172,243.44 × 73,818.94
  4. Step 4: Simplify right side
    124,788.49x = 12,714,828,055.10
  5. Step 5: Solve for x
    x = 12,714,828,055.10/124,788.49
  6. Step 6: Final answer
    x = 101,891.03

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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.