Home / 51,897.28-77,843.04-46,120

Finding the Fourth Proportional to 51,897.28, 77,843.04 and 46,120

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Solution

The fourth proportional to 51,897.28, 77,843.04 and 46,120 is: 69,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,897.28 : 77,843.04 = 46,120 : x
  2. Step 2: Convert to fraction form
    51,897.28/77,843.04 = 46,120/x
  3. Step 3: Cross multiply
    51,897.28x = 77,843.04 × 46,120
  4. Step 4: Simplify right side
    51,897.28x = 3,590,121,004.80
  5. Step 5: Solve for x
    x = 3,590,121,004.80/51,897.28
  6. Step 6: Final answer
    x = 69,177.44

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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.