Home / 76,779.20-105,955.39-42,786.94

Finding the Fourth Proportional to 76,779.20, 105,955.39 and 42,786.94

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Solution

The fourth proportional to 76,779.20, 105,955.39 and 42,786.94 is: 59,046.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,779.20 : 105,955.39 = 42,786.94 : x
  2. Step 2: Convert to fraction form
    76,779.20/105,955.39 = 42,786.94/x
  3. Step 3: Cross multiply
    76,779.20x = 105,955.39 × 42,786.94
  4. Step 4: Simplify right side
    76,779.20x = 4,533,506,703.20
  5. Step 5: Solve for x
    x = 4,533,506,703.20/76,779.20
  6. Step 6: Final answer
    x = 59,046.03

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