Home / 107,511.78-161,307.09-37,411.14

Finding the Fourth Proportional to 107,511.78, 161,307.09 and 37,411.14

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Solution

The fourth proportional to 107,511.78, 161,307.09 and 37,411.14 is: 56,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,511.78 : 161,307.09 = 37,411.14 : x
  2. Step 2: Convert to fraction form
    107,511.78/161,307.09 = 37,411.14/x
  3. Step 3: Cross multiply
    107,511.78x = 161,307.09 × 37,411.14
  4. Step 4: Simplify right side
    107,511.78x = 6,034,682,126.98
  5. Step 5: Solve for x
    x = 6,034,682,126.98/107,511.78
  6. Step 6: Final answer
    x = 56,130.43

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1.5x scale

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.