Home / 63,289.08-94,938.66-18,912.60

Finding the Fourth Proportional to 63,289.08, 94,938.66 and 18,912.60

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Solution

The fourth proportional to 63,289.08, 94,938.66 and 18,912.60 is: 28,370.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,289.08 : 94,938.66 = 18,912.60 : x
  2. Step 2: Convert to fraction form
    63,289.08/94,938.66 = 18,912.60/x
  3. Step 3: Cross multiply
    63,289.08x = 94,938.66 × 18,912.60
  4. Step 4: Simplify right side
    63,289.08x = 1,795,536,901.12
  5. Step 5: Solve for x
    x = 1,795,536,901.12/63,289.08
  6. Step 6: Final answer
    x = 28,370.41

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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.