Home / 101,590.14-152,429.04-68,435.22

Finding the Fourth Proportional to 101,590.14, 152,429.04 and 68,435.22

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Solution

The fourth proportional to 101,590.14, 152,429.04 and 68,435.22 is: 102,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,590.14 : 152,429.04 = 68,435.22 : x
  2. Step 2: Convert to fraction form
    101,590.14/152,429.04 = 68,435.22/x
  3. Step 3: Cross multiply
    101,590.14x = 152,429.04 × 68,435.22
  4. Step 4: Simplify right side
    101,590.14x = 10,431,514,886.79
  5. Step 5: Solve for x
    x = 10,431,514,886.79/101,590.14
  6. Step 6: Final answer
    x = 102,682.36

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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.