Home / 118,536.43-163,580.27-64,821.49

Finding the Fourth Proportional to 118,536.43, 163,580.27 and 64,821.49

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Solution

The fourth proportional to 118,536.43, 163,580.27 and 64,821.49 is: 89,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,536.43 : 163,580.27 = 64,821.49 : x
  2. Step 2: Convert to fraction form
    118,536.43/163,580.27 = 64,821.49/x
  3. Step 3: Cross multiply
    118,536.43x = 163,580.27 × 64,821.49
  4. Step 4: Simplify right side
    118,536.43x = 10,603,516,836.00
  5. Step 5: Solve for x
    x = 10,603,516,836.00/118,536.43
  6. Step 6: Final answer
    x = 89,453.65

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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.