Home / 66,544.45-99,767.47-40,243.35

Finding the Fourth Proportional to 66,544.45, 99,767.47 and 40,243.35

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Solution

The fourth proportional to 66,544.45, 99,767.47 and 40,243.35 is: 60,335.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.45 : 99,767.47 = 40,243.35 : x
  2. Step 2: Convert to fraction form
    66,544.45/99,767.47 = 40,243.35/x
  3. Step 3: Cross multiply
    66,544.45x = 99,767.47 × 40,243.35
  4. Step 4: Simplify right side
    66,544.45x = 4,014,977,213.82
  5. Step 5: Solve for x
    x = 4,014,977,213.82/66,544.45
  6. Step 6: Final answer
    x = 60,335.27

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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.