Home / 66,506.01-91,749.33-43,815.89

Finding the Fourth Proportional to 66,506.01, 91,749.33 and 43,815.89

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Solution

The fourth proportional to 66,506.01, 91,749.33 and 43,815.89 is: 60,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,506.01 : 91,749.33 = 43,815.89 : x
  2. Step 2: Convert to fraction form
    66,506.01/91,749.33 = 43,815.89/x
  3. Step 3: Cross multiply
    66,506.01x = 91,749.33 × 43,815.89
  4. Step 4: Simplify right side
    66,506.01x = 4,020,078,092.11
  5. Step 5: Solve for x
    x = 4,020,078,092.11/66,506.01
  6. Step 6: Final answer
    x = 60,446.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.