Home / 66,749.84-100,013.88-46,986.86

Finding the Fourth Proportional to 66,749.84, 100,013.88 and 46,986.86

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Solution

The fourth proportional to 66,749.84, 100,013.88 and 46,986.86 is: 70,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,749.84 : 100,013.88 = 46,986.86 : x
  2. Step 2: Convert to fraction form
    66,749.84/100,013.88 = 46,986.86/x
  3. Step 3: Cross multiply
    66,749.84x = 100,013.88 × 46,986.86
  4. Step 4: Simplify right side
    66,749.84x = 4,699,338,177.62
  5. Step 5: Solve for x
    x = 4,699,338,177.62/66,749.84
  6. Step 6: Final answer
    x = 70,402.24

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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.