Home / 118,425.03-163,426.58-63,977.22

Finding the Fourth Proportional to 118,425.03, 163,426.58 and 63,977.22

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Solution

The fourth proportional to 118,425.03, 163,426.58 and 63,977.22 is: 88,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,425.03 : 163,426.58 = 63,977.22 : x
  2. Step 2: Convert to fraction form
    118,425.03/163,426.58 = 63,977.22/x
  3. Step 3: Cross multiply
    118,425.03x = 163,426.58 × 63,977.22
  4. Step 4: Simplify right side
    118,425.03x = 10,455,577,942.62
  5. Step 5: Solve for x
    x = 10,455,577,942.62/118,425.03
  6. Step 6: Final answer
    x = 88,288.58

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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.