Home / 99,714.08-137,629.06-57,297.22

Finding the Fourth Proportional to 99,714.08, 137,629.06 and 57,297.22

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Solution

The fourth proportional to 99,714.08, 137,629.06 and 57,297.22 is: 79,083.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,714.08 : 137,629.06 = 57,297.22 : x
  2. Step 2: Convert to fraction form
    99,714.08/137,629.06 = 57,297.22/x
  3. Step 3: Cross multiply
    99,714.08x = 137,629.06 × 57,297.22
  4. Step 4: Simplify right side
    99,714.08x = 7,885,762,529.21
  5. Step 5: Solve for x
    x = 7,885,762,529.21/99,714.08
  6. Step 6: Final answer
    x = 79,083.74

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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.