Home / 76,816.93-115,242.31-23,509.32

Finding the Fourth Proportional to 76,816.93, 115,242.31 and 23,509.32

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Solution

The fourth proportional to 76,816.93, 115,242.31 and 23,509.32 is: 35,269.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,816.93 : 115,242.31 = 23,509.32 : x
  2. Step 2: Convert to fraction form
    76,816.93/115,242.31 = 23,509.32/x
  3. Step 3: Cross multiply
    76,816.93x = 115,242.31 × 23,509.32
  4. Step 4: Simplify right side
    76,816.93x = 2,709,267,760.35
  5. Step 5: Solve for x
    x = 2,709,267,760.35/76,816.93
  6. Step 6: Final answer
    x = 35,269.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.