Home / 76,566.24-105,662.40-43,032

Finding the Fourth Proportional to 76,566.24, 105,662.40 and 43,032

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Solution

The fourth proportional to 76,566.24, 105,662.40 and 43,032 is: 59,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,566.24 : 105,662.40 = 43,032 : x
  2. Step 2: Convert to fraction form
    76,566.24/105,662.40 = 43,032/x
  3. Step 3: Cross multiply
    76,566.24x = 105,662.40 × 43,032
  4. Step 4: Simplify right side
    76,566.24x = 4,546,864,396.80
  5. Step 5: Solve for x
    x = 4,546,864,396.80/76,566.24
  6. Step 6: Final answer
    x = 59,384.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.