Home / 47,772.81-71,654.04-12,716.01

Finding the Fourth Proportional to 47,772.81, 71,654.04 and 12,716.01

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Solution

The fourth proportional to 47,772.81, 71,654.04 and 12,716.01 is: 19,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,772.81 : 71,654.04 = 12,716.01 : x
  2. Step 2: Convert to fraction form
    47,772.81/71,654.04 = 12,716.01/x
  3. Step 3: Cross multiply
    47,772.81x = 71,654.04 × 12,716.01
  4. Step 4: Simplify right side
    47,772.81x = 911,153,489.18
  5. Step 5: Solve for x
    x = 911,153,489.18/47,772.81
  6. Step 6: Final answer
    x = 19,072.64

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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.