Home / 89,136.17-123,008.09-48,851.43

Finding the Fourth Proportional to 89,136.17, 123,008.09 and 48,851.43

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Solution

The fourth proportional to 89,136.17, 123,008.09 and 48,851.43 is: 67,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,136.17 : 123,008.09 = 48,851.43 : x
  2. Step 2: Convert to fraction form
    89,136.17/123,008.09 = 48,851.43/x
  3. Step 3: Cross multiply
    89,136.17x = 123,008.09 × 48,851.43
  4. Step 4: Simplify right side
    89,136.17x = 6,009,120,729.48
  5. Step 5: Solve for x
    x = 6,009,120,729.48/89,136.17
  6. Step 6: Final answer
    x = 67,415.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.