Home / 66,271.10-99,211.35-43,740.22

Finding the Fourth Proportional to 66,271.10, 99,211.35 and 43,740.22

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Solution

The fourth proportional to 66,271.10, 99,211.35 and 43,740.22 is: 65,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,271.10 : 99,211.35 = 43,740.22 : x
  2. Step 2: Convert to fraction form
    66,271.10/99,211.35 = 43,740.22/x
  3. Step 3: Cross multiply
    66,271.10x = 99,211.35 × 43,740.22
  4. Step 4: Simplify right side
    66,271.10x = 4,339,526,275.50
  5. Step 5: Solve for x
    x = 4,339,526,275.50/66,271.10
  6. Step 6: Final answer
    x = 65,481.43

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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.