Home / 42,360.08-63,540.36-11,195

Finding the Fourth Proportional to 42,360.08, 63,540.36 and 11,195

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Solution

The fourth proportional to 42,360.08, 63,540.36 and 11,195 is: 16,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,360.08 : 63,540.36 = 11,195 : x
  2. Step 2: Convert to fraction form
    42,360.08/63,540.36 = 11,195/x
  3. Step 3: Cross multiply
    42,360.08x = 63,540.36 × 11,195
  4. Step 4: Simplify right side
    42,360.08x = 711,334,330.20
  5. Step 5: Solve for x
    x = 711,334,330.20/42,360.08
  6. Step 6: Final answer
    x = 16,792.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.