Home / 43,126.81-64,553.51-31,240.46

Finding the Fourth Proportional to 43,126.81, 64,553.51 and 31,240.46

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Solution

The fourth proportional to 43,126.81, 64,553.51 and 31,240.46 is: 46,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,126.81 : 64,553.51 = 31,240.46 : x
  2. Step 2: Convert to fraction form
    43,126.81/64,553.51 = 31,240.46/x
  3. Step 3: Cross multiply
    43,126.81x = 64,553.51 × 31,240.46
  4. Step 4: Simplify right side
    43,126.81x = 2,016,681,586.50
  5. Step 5: Solve for x
    x = 2,016,681,586.50/43,126.81
  6. Step 6: Final answer
    x = 46,761.67

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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.