Home / 92,688.40-139,106.46-36,542.64

Finding the Fourth Proportional to 92,688.40, 139,106.46 and 36,542.64

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Solution

The fourth proportional to 92,688.40, 139,106.46 and 36,542.64 is: 54,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,688.40 : 139,106.46 = 36,542.64 : x
  2. Step 2: Convert to fraction form
    92,688.40/139,106.46 = 36,542.64/x
  3. Step 3: Cross multiply
    92,688.40x = 139,106.46 × 36,542.64
  4. Step 4: Simplify right side
    92,688.40x = 5,083,317,948.14
  5. Step 5: Solve for x
    x = 5,083,317,948.14/92,688.40
  6. Step 6: Final answer
    x = 54,843.09

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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.