Home / 79,212.47-118,806.27-25,903.98

Finding the Fourth Proportional to 79,212.47, 118,806.27 and 25,903.98

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Solution

The fourth proportional to 79,212.47, 118,806.27 and 25,903.98 is: 38,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,212.47 : 118,806.27 = 25,903.98 : x
  2. Step 2: Convert to fraction form
    79,212.47/118,806.27 = 25,903.98/x
  3. Step 3: Cross multiply
    79,212.47x = 118,806.27 × 25,903.98
  4. Step 4: Simplify right side
    79,212.47x = 3,077,555,241.95
  5. Step 5: Solve for x
    x = 3,077,555,241.95/79,212.47
  6. Step 6: Final answer
    x = 38,851.91

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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.