Home / 88,111.29-121,594.50-47,825.40

Finding the Fourth Proportional to 88,111.29, 121,594.50 and 47,825.40

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Solution

The fourth proportional to 88,111.29, 121,594.50 and 47,825.40 is: 65,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,111.29 : 121,594.50 = 47,825.40 : x
  2. Step 2: Convert to fraction form
    88,111.29/121,594.50 = 47,825.40/x
  3. Step 3: Cross multiply
    88,111.29x = 121,594.50 × 47,825.40
  4. Step 4: Simplify right side
    88,111.29x = 5,815,305,600.30
  5. Step 5: Solve for x
    x = 5,815,305,600.30/88,111.29
  6. Step 6: Final answer
    x = 65,999.55

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