Home / 52,112.54-77,791.47-45,806.96

Finding the Fourth Proportional to 52,112.54, 77,791.47 and 45,806.96

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Solution

The fourth proportional to 52,112.54, 77,791.47 and 45,806.96 is: 68,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112.54 : 77,791.47 = 45,806.96 : x
  2. Step 2: Convert to fraction form
    52,112.54/77,791.47 = 45,806.96/x
  3. Step 3: Cross multiply
    52,112.54x = 77,791.47 × 45,806.96
  4. Step 4: Simplify right side
    52,112.54x = 3,563,390,754.63
  5. Step 5: Solve for x
    x = 3,563,390,754.63/52,112.54
  6. Step 6: Final answer
    x = 68,378.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.