Home / 89,861.22-124,010.73-55,413.54

Finding the Fourth Proportional to 89,861.22, 124,010.73 and 55,413.54

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Solution

The fourth proportional to 89,861.22, 124,010.73 and 55,413.54 is: 76,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861.22 : 124,010.73 = 55,413.54 : x
  2. Step 2: Convert to fraction form
    89,861.22/124,010.73 = 55,413.54/x
  3. Step 3: Cross multiply
    89,861.22x = 124,010.73 × 55,413.54
  4. Step 4: Simplify right side
    89,861.22x = 6,871,873,547.28
  5. Step 5: Solve for x
    x = 6,871,873,547.28/89,861.22
  6. Step 6: Final answer
    x = 76,472.07

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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.