Home / 118,567.03-163,623.78-64,850.90

Finding the Fourth Proportional to 118,567.03, 163,623.78 and 64,850.90

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Solution

The fourth proportional to 118,567.03, 163,623.78 and 64,850.90 is: 89,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,567.03 : 163,623.78 = 64,850.90 : x
  2. Step 2: Convert to fraction form
    118,567.03/163,623.78 = 64,850.90/x
  3. Step 3: Cross multiply
    118,567.03x = 163,623.78 × 64,850.90
  4. Step 4: Simplify right side
    118,567.03x = 10,611,149,394.40
  5. Step 5: Solve for x
    x = 10,611,149,394.40/118,567.03
  6. Step 6: Final answer
    x = 89,494.94

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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.