Home / 45,971.33-68,955.62-12,693.42

Finding the Fourth Proportional to 45,971.33, 68,955.62 and 12,693.42

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Solution

The fourth proportional to 45,971.33, 68,955.62 and 12,693.42 is: 19,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,971.33 : 68,955.62 = 12,693.42 : x
  2. Step 2: Convert to fraction form
    45,971.33/68,955.62 = 12,693.42/x
  3. Step 3: Cross multiply
    45,971.33x = 68,955.62 × 12,693.42
  4. Step 4: Simplify right side
    45,971.33x = 875,282,582.55
  5. Step 5: Solve for x
    x = 875,282,582.55/45,971.33
  6. Step 6: Final answer
    x = 19,039.75

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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.