Home / 71,402.82-98,533.74-39,571.02

Finding the Fourth Proportional to 71,402.82, 98,533.74 and 39,571.02

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Solution

The fourth proportional to 71,402.82, 98,533.74 and 39,571.02 is: 54,606.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,402.82 : 98,533.74 = 39,571.02 : x
  2. Step 2: Convert to fraction form
    71,402.82/98,533.74 = 39,571.02/x
  3. Step 3: Cross multiply
    71,402.82x = 98,533.74 × 39,571.02
  4. Step 4: Simplify right side
    71,402.82x = 3,899,080,596.21
  5. Step 5: Solve for x
    x = 3,899,080,596.21/71,402.82
  6. Step 6: Final answer
    x = 54,606.82

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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.