Home / 79,478.03-118,924.23-47,906.66

Finding the Fourth Proportional to 79,478.03, 118,924.23 and 47,906.66

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Solution

The fourth proportional to 79,478.03, 118,924.23 and 47,906.66 is: 71,683.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,478.03 : 118,924.23 = 47,906.66 : x
  2. Step 2: Convert to fraction form
    79,478.03/118,924.23 = 47,906.66/x
  3. Step 3: Cross multiply
    79,478.03x = 118,924.23 × 47,906.66
  4. Step 4: Simplify right side
    79,478.03x = 5,697,263,129.33
  5. Step 5: Solve for x
    x = 5,697,263,129.33/79,478.03
  6. Step 6: Final answer
    x = 71,683.49

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1.5x scale

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.