Home / 91,504.26-137,343.06-47,161.62

Finding the Fourth Proportional to 91,504.26, 137,343.06 and 47,161.62

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Solution

The fourth proportional to 91,504.26, 137,343.06 and 47,161.62 is: 70,787.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,504.26 : 137,343.06 = 47,161.62 : x
  2. Step 2: Convert to fraction form
    91,504.26/137,343.06 = 47,161.62/x
  3. Step 3: Cross multiply
    91,504.26x = 137,343.06 × 47,161.62
  4. Step 4: Simplify right side
    91,504.26x = 6,477,321,205.36
  5. Step 5: Solve for x
    x = 6,477,321,205.36/91,504.26
  6. Step 6: Final answer
    x = 70,787.10

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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.