Home / 47,972.22-71,476.01-45,289.50

Finding the Fourth Proportional to 47,972.22, 71,476.01 and 45,289.50

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Solution

The fourth proportional to 47,972.22, 71,476.01 and 45,289.50 is: 67,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,972.22 : 71,476.01 = 45,289.50 : x
  2. Step 2: Convert to fraction form
    47,972.22/71,476.01 = 45,289.50/x
  3. Step 3: Cross multiply
    47,972.22x = 71,476.01 × 45,289.50
  4. Step 4: Simplify right side
    47,972.22x = 3,237,112,528.45
  5. Step 5: Solve for x
    x = 3,237,112,528.45/47,972.22
  6. Step 6: Final answer
    x = 67,478.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.