Home / 48,136.89-72,145.11-23,170.26

Finding the Fourth Proportional to 48,136.89, 72,145.11 and 23,170.26

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Solution

The fourth proportional to 48,136.89, 72,145.11 and 23,170.26 is: 34,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,136.89 : 72,145.11 = 23,170.26 : x
  2. Step 2: Convert to fraction form
    48,136.89/72,145.11 = 23,170.26/x
  3. Step 3: Cross multiply
    48,136.89x = 72,145.11 × 23,170.26
  4. Step 4: Simplify right side
    48,136.89x = 1,671,620,956.43
  5. Step 5: Solve for x
    x = 1,671,620,956.43/48,136.89
  6. Step 6: Final answer
    x = 34,726.40

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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.