Home / 65,969.98-98,721.37-41,021.77

Finding the Fourth Proportional to 65,969.98, 98,721.37 and 41,021.77

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Solution

The fourth proportional to 65,969.98, 98,721.37 and 41,021.77 is: 61,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,969.98 : 98,721.37 = 41,021.77 : x
  2. Step 2: Convert to fraction form
    65,969.98/98,721.37 = 41,021.77/x
  3. Step 3: Cross multiply
    65,969.98x = 98,721.37 × 41,021.77
  4. Step 4: Simplify right side
    65,969.98x = 4,049,725,334.22
  5. Step 5: Solve for x
    x = 4,049,725,334.22/65,969.98
  6. Step 6: Final answer
    x = 61,387.40

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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.