Home / 76,485.65-114,728.54-29,089.83

Finding the Fourth Proportional to 76,485.65, 114,728.54 and 29,089.83

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Solution

The fourth proportional to 76,485.65, 114,728.54 and 29,089.83 is: 43,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,485.65 : 114,728.54 = 29,089.83 : x
  2. Step 2: Convert to fraction form
    76,485.65/114,728.54 = 29,089.83/x
  3. Step 3: Cross multiply
    76,485.65x = 114,728.54 × 29,089.83
  4. Step 4: Simplify right side
    76,485.65x = 3,337,434,132.25
  5. Step 5: Solve for x
    x = 3,337,434,132.25/76,485.65
  6. Step 6: Final answer
    x = 43,634.77

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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.