Home / 81,865.04-112,484.18-65,068.88

Finding the Fourth Proportional to 81,865.04, 112,484.18 and 65,068.88

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Solution

The fourth proportional to 81,865.04, 112,484.18 and 65,068.88 is: 89,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,865.04 : 112,484.18 = 65,068.88 : x
  2. Step 2: Convert to fraction form
    81,865.04/112,484.18 = 65,068.88/x
  3. Step 3: Cross multiply
    81,865.04x = 112,484.18 × 65,068.88
  4. Step 4: Simplify right side
    81,865.04x = 7,319,219,610.32
  5. Step 5: Solve for x
    x = 7,319,219,610.32/81,865.04
  6. Step 6: Final answer
    x = 89,405.92

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