Home / 104,067.81-156,038.49-40,812.15

Finding the Fourth Proportional to 104,067.81, 156,038.49 and 40,812.15

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Solution

The fourth proportional to 104,067.81, 156,038.49 and 40,812.15 is: 61,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,067.81 : 156,038.49 = 40,812.15 : x
  2. Step 2: Convert to fraction form
    104,067.81/156,038.49 = 40,812.15/x
  3. Step 3: Cross multiply
    104,067.81x = 156,038.49 × 40,812.15
  4. Step 4: Simplify right side
    104,067.81x = 6,368,266,259.65
  5. Step 5: Solve for x
    x = 6,368,266,259.65/104,067.81
  6. Step 6: Final answer
    x = 61,193.43

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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.