Home / 67,136.02-100,704.03-31,969.06

Finding the Fourth Proportional to 67,136.02, 100,704.03 and 31,969.06

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Solution

The fourth proportional to 67,136.02, 100,704.03 and 31,969.06 is: 47,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,136.02 : 100,704.03 = 31,969.06 : x
  2. Step 2: Convert to fraction form
    67,136.02/100,704.03 = 31,969.06/x
  3. Step 3: Cross multiply
    67,136.02x = 100,704.03 × 31,969.06
  4. Step 4: Simplify right side
    67,136.02x = 3,219,413,177.31
  5. Step 5: Solve for x
    x = 3,219,413,177.31/67,136.02
  6. Step 6: Final answer
    x = 47,953.59

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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.