Home / 71,280.51-98,371.67-41,065.28

Finding the Fourth Proportional to 71,280.51, 98,371.67 and 41,065.28

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Solution

The fourth proportional to 71,280.51, 98,371.67 and 41,065.28 is: 56,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280.51 : 98,371.67 = 41,065.28 : x
  2. Step 2: Convert to fraction form
    71,280.51/98,371.67 = 41,065.28/x
  3. Step 3: Cross multiply
    71,280.51x = 98,371.67 × 41,065.28
  4. Step 4: Simplify right side
    71,280.51x = 4,039,659,844.33
  5. Step 5: Solve for x
    x = 4,039,659,844.33/71,280.51
  6. Step 6: Final answer
    x = 56,672.72

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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.