Home / 43,201.53-64,831.47-15,121.82

Finding the Fourth Proportional to 43,201.53, 64,831.47 and 15,121.82

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Solution

The fourth proportional to 43,201.53, 64,831.47 and 15,121.82 is: 22,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,201.53 : 64,831.47 = 15,121.82 : x
  2. Step 2: Convert to fraction form
    43,201.53/64,831.47 = 15,121.82/x
  3. Step 3: Cross multiply
    43,201.53x = 64,831.47 × 15,121.82
  4. Step 4: Simplify right side
    43,201.53x = 980,369,495.52
  5. Step 5: Solve for x
    x = 980,369,495.52/43,201.53
  6. Step 6: Final answer
    x = 22,692.93

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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.