Home / 81,224.46-112,080.54-45,413.28

Finding the Fourth Proportional to 81,224.46, 112,080.54 and 45,413.28

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Solution

The fourth proportional to 81,224.46, 112,080.54 and 45,413.28 is: 62,665.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,224.46 : 112,080.54 = 45,413.28 : x
  2. Step 2: Convert to fraction form
    81,224.46/112,080.54 = 45,413.28/x
  3. Step 3: Cross multiply
    81,224.46x = 112,080.54 × 45,413.28
  4. Step 4: Simplify right side
    81,224.46x = 5,089,944,945.57
  5. Step 5: Solve for x
    x = 5,089,944,945.57/81,224.46
  6. Step 6: Final answer
    x = 62,665.17

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1.5x scale

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.