Home / 72,918.36-100,640.07-46,052.28

Finding the Fourth Proportional to 72,918.36, 100,640.07 and 46,052.28

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Solution

The fourth proportional to 72,918.36, 100,640.07 and 46,052.28 is: 63,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,918.36 : 100,640.07 = 46,052.28 : x
  2. Step 2: Convert to fraction form
    72,918.36/100,640.07 = 46,052.28/x
  3. Step 3: Cross multiply
    72,918.36x = 100,640.07 × 46,052.28
  4. Step 4: Simplify right side
    72,918.36x = 4,634,704,682.86
  5. Step 5: Solve for x
    x = 4,634,704,682.86/72,918.36
  6. Step 6: Final answer
    x = 63,560.19

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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.