Home / 66,567.06-99,916.20-40,323.06

Finding the Fourth Proportional to 66,567.06, 99,916.20 and 40,323.06

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Solution

The fourth proportional to 66,567.06, 99,916.20 and 40,323.06 is: 60,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,567.06 : 99,916.20 = 40,323.06 : x
  2. Step 2: Convert to fraction form
    66,567.06/99,916.20 = 40,323.06/x
  3. Step 3: Cross multiply
    66,567.06x = 99,916.20 × 40,323.06
  4. Step 4: Simplify right side
    66,567.06x = 4,028,926,927.57
  5. Step 5: Solve for x
    x = 4,028,926,927.57/66,567.06
  6. Step 6: Final answer
    x = 60,524.33

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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.