Home / 118,675.85-163,772.85-64,964.27

Finding the Fourth Proportional to 118,675.85, 163,772.85 and 64,964.27

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Solution

The fourth proportional to 118,675.85, 163,772.85 and 64,964.27 is: 89,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675.85 : 163,772.85 = 64,964.27 : x
  2. Step 2: Convert to fraction form
    118,675.85/163,772.85 = 64,964.27/x
  3. Step 3: Cross multiply
    118,675.85x = 163,772.85 × 64,964.27
  4. Step 4: Simplify right side
    118,675.85x = 10,639,382,827.21
  5. Step 5: Solve for x
    x = 10,639,382,827.21/118,675.85
  6. Step 6: Final answer
    x = 89,650.79

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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.