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Finding the Fourth Proportional to 70,855.48, 97,779.72 and 39,023.74

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Solution

The fourth proportional to 70,855.48, 97,779.72 and 39,023.74 is: 53,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,855.48 : 97,779.72 = 39,023.74 : x
  2. Step 2: Convert to fraction form
    70,855.48/97,779.72 = 39,023.74/x
  3. Step 3: Cross multiply
    70,855.48x = 97,779.72 × 39,023.74
  4. Step 4: Simplify right side
    70,855.48x = 3,815,730,370.55
  5. Step 5: Solve for x
    x = 3,815,730,370.55/70,855.48
  6. Step 6: Final answer
    x = 53,852.30

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