Home / 77,381.40-106,809.06-50,527.94

Finding the Fourth Proportional to 77,381.40, 106,809.06 and 50,527.94

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Solution

The fourth proportional to 77,381.40, 106,809.06 and 50,527.94 is: 69,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,381.40 : 106,809.06 = 50,527.94 : x
  2. Step 2: Convert to fraction form
    77,381.40/106,809.06 = 50,527.94/x
  3. Step 3: Cross multiply
    77,381.40x = 106,809.06 × 50,527.94
  4. Step 4: Simplify right side
    77,381.40x = 5,396,841,241.09
  5. Step 5: Solve for x
    x = 5,396,841,241.09/77,381.40
  6. Step 6: Final answer
    x = 69,743.39

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1.5x scale

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.