Home / 85,881.39-118,522.62-47,646.96

Finding the Fourth Proportional to 85,881.39, 118,522.62 and 47,646.96

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Solution

The fourth proportional to 85,881.39, 118,522.62 and 47,646.96 is: 65,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,881.39 : 118,522.62 = 47,646.96 : x
  2. Step 2: Convert to fraction form
    85,881.39/118,522.62 = 47,646.96/x
  3. Step 3: Cross multiply
    85,881.39x = 118,522.62 × 47,646.96
  4. Step 4: Simplify right side
    85,881.39x = 5,647,242,534.24
  5. Step 5: Solve for x
    x = 5,647,242,534.24/85,881.39
  6. Step 6: Final answer
    x = 65,756.30

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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.