Home / 75,321.36-103,943.60-41,787.36

Finding the Fourth Proportional to 75,321.36, 103,943.60 and 41,787.36

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Solution

The fourth proportional to 75,321.36, 103,943.60 and 41,787.36 is: 57,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,321.36 : 103,943.60 = 41,787.36 : x
  2. Step 2: Convert to fraction form
    75,321.36/103,943.60 = 41,787.36/x
  3. Step 3: Cross multiply
    75,321.36x = 103,943.60 × 41,787.36
  4. Step 4: Simplify right side
    75,321.36x = 4,343,528,632.90
  5. Step 5: Solve for x
    x = 4,343,528,632.90/75,321.36
  6. Step 6: Final answer
    x = 57,666.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.