Home / 66,870.56-100,196.40-40,583.36

Finding the Fourth Proportional to 66,870.56, 100,196.40 and 40,583.36

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Solution

The fourth proportional to 66,870.56, 100,196.40 and 40,583.36 is: 60,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,870.56 : 100,196.40 = 40,583.36 : x
  2. Step 2: Convert to fraction form
    66,870.56/100,196.40 = 40,583.36/x
  3. Step 3: Cross multiply
    66,870.56x = 100,196.40 × 40,583.36
  4. Step 4: Simplify right side
    66,870.56x = 4,066,306,571.90
  5. Step 5: Solve for x
    x = 4,066,306,571.90/66,870.56
  6. Step 6: Final answer
    x = 60,808.62

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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.