Home / 66,678.10-100,017.15-50,154.10

Finding the Fourth Proportional to 66,678.10, 100,017.15 and 50,154.10

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Solution

The fourth proportional to 66,678.10, 100,017.15 and 50,154.10 is: 75,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,678.10 : 100,017.15 = 50,154.10 : x
  2. Step 2: Convert to fraction form
    66,678.10/100,017.15 = 50,154.10/x
  3. Step 3: Cross multiply
    66,678.10x = 100,017.15 × 50,154.10
  4. Step 4: Simplify right side
    66,678.10x = 5,016,270,142.82
  5. Step 5: Solve for x
    x = 5,016,270,142.82/66,678.10
  6. Step 6: Final answer
    x = 75,231.15

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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.