Home / 85,402.00-117,853.42-47,160.60

Finding the Fourth Proportional to 85,402.00, 117,853.42 and 47,160.60

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Solution

The fourth proportional to 85,402.00, 117,853.42 and 47,160.60 is: 65,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,402.00 : 117,853.42 = 47,160.60 : x
  2. Step 2: Convert to fraction form
    85,402.00/117,853.42 = 47,160.60/x
  3. Step 3: Cross multiply
    85,402.00x = 117,853.42 × 47,160.60
  4. Step 4: Simplify right side
    85,402.00x = 5,558,038,058.20
  5. Step 5: Solve for x
    x = 5,558,038,058.20/85,402.00
  6. Step 6: Final answer
    x = 65,080.89

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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.