Home / 103,039.19-154,514.22-35,578.34

Finding the Fourth Proportional to 103,039.19, 154,514.22 and 35,578.34

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Solution

The fourth proportional to 103,039.19, 154,514.22 and 35,578.34 is: 53,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,039.19 : 154,514.22 = 35,578.34 : x
  2. Step 2: Convert to fraction form
    103,039.19/154,514.22 = 35,578.34/x
  3. Step 3: Cross multiply
    103,039.19x = 154,514.22 × 35,578.34
  4. Step 4: Simplify right side
    103,039.19x = 5,497,358,681.42
  5. Step 5: Solve for x
    x = 5,497,358,681.42/103,039.19
  6. Step 6: Final answer
    x = 53,352.12

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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.