Home / 103,673.08-155,502.21-40,481.37

Finding the Fourth Proportional to 103,673.08, 155,502.21 and 40,481.37

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Solution

The fourth proportional to 103,673.08, 155,502.21 and 40,481.37 is: 60,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,673.08 : 155,502.21 = 40,481.37 : x
  2. Step 2: Convert to fraction form
    103,673.08/155,502.21 = 40,481.37/x
  3. Step 3: Cross multiply
    103,673.08x = 155,502.21 × 40,481.37
  4. Step 4: Simplify right side
    103,673.08x = 6,294,941,721.32
  5. Step 5: Solve for x
    x = 6,294,941,721.32/103,673.08
  6. Step 6: Final answer
    x = 60,719.15

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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.