Home / 45,564.27-68,409.36-31,489.62

Finding the Fourth Proportional to 45,564.27, 68,409.36 and 31,489.62

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Solution

The fourth proportional to 45,564.27, 68,409.36 and 31,489.62 is: 47,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,564.27 : 68,409.36 = 31,489.62 : x
  2. Step 2: Convert to fraction form
    45,564.27/68,409.36 = 31,489.62/x
  3. Step 3: Cross multiply
    45,564.27x = 68,409.36 × 31,489.62
  4. Step 4: Simplify right side
    45,564.27x = 2,154,184,750.84
  5. Step 5: Solve for x
    x = 2,154,184,750.84/45,564.27
  6. Step 6: Final answer
    x = 47,277.94

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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.