Home / 47,173.22-65,072.01-29,478.50

Finding the Fourth Proportional to 47,173.22, 65,072.01 and 29,478.50

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Solution

The fourth proportional to 47,173.22, 65,072.01 and 29,478.50 is: 40,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,173.22 : 65,072.01 = 29,478.50 : x
  2. Step 2: Convert to fraction form
    47,173.22/65,072.01 = 29,478.50/x
  3. Step 3: Cross multiply
    47,173.22x = 65,072.01 × 29,478.50
  4. Step 4: Simplify right side
    47,173.22x = 1,918,225,246.79
  5. Step 5: Solve for x
    x = 1,918,225,246.79/47,173.22
  6. Step 6: Final answer
    x = 40,663.44

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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.