Home / 74,161.85-111,242.77-43,018.97

Finding the Fourth Proportional to 74,161.85, 111,242.77 and 43,018.97

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Solution

The fourth proportional to 74,161.85, 111,242.77 and 43,018.97 is: 64,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,161.85 : 111,242.77 = 43,018.97 : x
  2. Step 2: Convert to fraction form
    74,161.85/111,242.77 = 43,018.97/x
  3. Step 3: Cross multiply
    74,161.85x = 111,242.77 × 43,018.97
  4. Step 4: Simplify right side
    74,161.85x = 4,785,548,721.59
  5. Step 5: Solve for x
    x = 4,785,548,721.59/74,161.85
  6. Step 6: Final answer
    x = 64,528.45

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1.5x scale

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.