Home / 71,653.07-98,655.37-65,010.06

Finding the Fourth Proportional to 71,653.07, 98,655.37 and 65,010.06

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Solution

The fourth proportional to 71,653.07, 98,655.37 and 65,010.06 is: 89,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,653.07 : 98,655.37 = 65,010.06 : x
  2. Step 2: Convert to fraction form
    71,653.07/98,655.37 = 65,010.06/x
  3. Step 3: Cross multiply
    71,653.07x = 98,655.37 × 65,010.06
  4. Step 4: Simplify right side
    71,653.07x = 6,413,591,360.50
  5. Step 5: Solve for x
    x = 6,413,591,360.50/71,653.07
  6. Step 6: Final answer
    x = 89,508.95

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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.