Home / 80,019.02-120,045.54-27,414.38

Finding the Fourth Proportional to 80,019.02, 120,045.54 and 27,414.38

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Solution

The fourth proportional to 80,019.02, 120,045.54 and 27,414.38 is: 41,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,019.02 : 120,045.54 = 27,414.38 : x
  2. Step 2: Convert to fraction form
    80,019.02/120,045.54 = 27,414.38/x
  3. Step 3: Cross multiply
    80,019.02x = 120,045.54 × 27,414.38
  4. Step 4: Simplify right side
    80,019.02x = 3,290,974,050.87
  5. Step 5: Solve for x
    x = 3,290,974,050.87/80,019.02
  6. Step 6: Final answer
    x = 41,127.40

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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.