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Finding the Fourth Proportional to 70,556.90, 105,779.86 and 48,302.82

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Solution

The fourth proportional to 70,556.90, 105,779.86 and 48,302.82 is: 72,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,556.90 : 105,779.86 = 48,302.82 : x
  2. Step 2: Convert to fraction form
    70,556.90/105,779.86 = 48,302.82/x
  3. Step 3: Cross multiply
    70,556.90x = 105,779.86 × 48,302.82
  4. Step 4: Simplify right side
    70,556.90x = 5,109,465,416.45
  5. Step 5: Solve for x
    x = 5,109,465,416.45/70,556.90
  6. Step 6: Final answer
    x = 72,416.25

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