Home / 124,788.14-172,242.96-73,818.58

Finding the Fourth Proportional to 124,788.14, 172,242.96 and 73,818.58

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Solution

The fourth proportional to 124,788.14, 172,242.96 and 73,818.58 is: 101,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,788.14 : 172,242.96 = 73,818.58 : x
  2. Step 2: Convert to fraction form
    124,788.14/172,242.96 = 73,818.58/x
  3. Step 3: Cross multiply
    124,788.14x = 172,242.96 × 73,818.58
  4. Step 4: Simplify right side
    124,788.14x = 12,714,731,185.48
  5. Step 5: Solve for x
    x = 12,714,731,185.48/124,788.14
  6. Step 6: Final answer
    x = 101,890.54

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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.