Home / 90,660.73-125,075.97-52,413.24

Finding the Fourth Proportional to 90,660.73, 125,075.97 and 52,413.24

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Solution

The fourth proportional to 90,660.73, 125,075.97 and 52,413.24 is: 72,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,660.73 : 125,075.97 = 52,413.24 : x
  2. Step 2: Convert to fraction form
    90,660.73/125,075.97 = 52,413.24/x
  3. Step 3: Cross multiply
    90,660.73x = 125,075.97 × 52,413.24
  4. Step 4: Simplify right side
    90,660.73x = 6,555,636,833.84
  5. Step 5: Solve for x
    x = 6,555,636,833.84/90,660.73
  6. Step 6: Final answer
    x = 72,309.55

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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.