Home / 66,137.46-99,220.57-21,762.02

Finding the Fourth Proportional to 66,137.46, 99,220.57 and 21,762.02

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Solution

The fourth proportional to 66,137.46, 99,220.57 and 21,762.02 is: 32,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,137.46 : 99,220.57 = 21,762.02 : x
  2. Step 2: Convert to fraction form
    66,137.46/99,220.57 = 21,762.02/x
  3. Step 3: Cross multiply
    66,137.46x = 99,220.57 × 21,762.02
  4. Step 4: Simplify right side
    66,137.46x = 2,159,239,478.24
  5. Step 5: Solve for x
    x = 2,159,239,478.24/66,137.46
  6. Step 6: Final answer
    x = 32,647.75

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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.