Home / 85,542.14-118,052.25-47,301.02

Finding the Fourth Proportional to 85,542.14, 118,052.25 and 47,301.02

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Solution

The fourth proportional to 85,542.14, 118,052.25 and 47,301.02 is: 65,277.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,542.14 : 118,052.25 = 47,301.02 : x
  2. Step 2: Convert to fraction form
    85,542.14/118,052.25 = 47,301.02/x
  3. Step 3: Cross multiply
    85,542.14x = 118,052.25 × 47,301.02
  4. Step 4: Simplify right side
    85,542.14x = 5,583,991,838.30
  5. Step 5: Solve for x
    x = 5,583,991,838.30/85,542.14
  6. Step 6: Final answer
    x = 65,277.67

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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.