Home / 117,630.10-162,326.73-63,913.90

Finding the Fourth Proportional to 117,630.10, 162,326.73 and 63,913.90

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Solution

The fourth proportional to 117,630.10, 162,326.73 and 63,913.90 is: 88,199.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,630.10 : 162,326.73 = 63,913.90 : x
  2. Step 2: Convert to fraction form
    117,630.10/162,326.73 = 63,913.90/x
  3. Step 3: Cross multiply
    117,630.10x = 162,326.73 × 63,913.90
  4. Step 4: Simplify right side
    117,630.10x = 10,374,934,388.55
  5. Step 5: Solve for x
    x = 10,374,934,388.55/117,630.10
  6. Step 6: Final answer
    x = 88,199.66

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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.