Home / 90,413.28-124,765.92-52,686.72

Finding the Fourth Proportional to 90,413.28, 124,765.92 and 52,686.72

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Solution

The fourth proportional to 90,413.28, 124,765.92 and 52,686.72 is: 72,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,413.28 : 124,765.92 = 52,686.72 : x
  2. Step 2: Convert to fraction form
    90,413.28/124,765.92 = 52,686.72/x
  3. Step 3: Cross multiply
    90,413.28x = 124,765.92 × 52,686.72
  4. Step 4: Simplify right side
    90,413.28x = 6,573,507,092.58
  5. Step 5: Solve for x
    x = 6,573,507,092.58/90,413.28
  6. Step 6: Final answer
    x = 72,705.11

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