Home / 80,701.95-121,072.35-25,297.95

Finding the Fourth Proportional to 80,701.95, 121,072.35 and 25,297.95

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Solution

The fourth proportional to 80,701.95, 121,072.35 and 25,297.95 is: 37,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,701.95 : 121,072.35 = 25,297.95 : x
  2. Step 2: Convert to fraction form
    80,701.95/121,072.35 = 25,297.95/x
  3. Step 3: Cross multiply
    80,701.95x = 121,072.35 × 25,297.95
  4. Step 4: Simplify right side
    80,701.95x = 3,062,882,256.68
  5. Step 5: Solve for x
    x = 3,062,882,256.68/80,701.95
  6. Step 6: Final answer
    x = 37,953.01

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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.