Home / 79,283.09-118,906.43-47,271.21

Finding the Fourth Proportional to 79,283.09, 118,906.43 and 47,271.21

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Solution

The fourth proportional to 79,283.09, 118,906.43 and 47,271.21 is: 70,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.09 : 118,906.43 = 47,271.21 : x
  2. Step 2: Convert to fraction form
    79,283.09/118,906.43 = 47,271.21/x
  3. Step 3: Cross multiply
    79,283.09x = 118,906.43 × 47,271.21
  4. Step 4: Simplify right side
    79,283.09x = 5,620,850,809.47
  5. Step 5: Solve for x
    x = 5,620,850,809.47/79,283.09
  6. Step 6: Final answer
    x = 70,895.96

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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.