Home / 84,881.40-117,138.54-50,895.42

Finding the Fourth Proportional to 84,881.40, 117,138.54 and 50,895.42

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Solution

The fourth proportional to 84,881.40, 117,138.54 and 50,895.42 is: 70,237.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,881.40 : 117,138.54 = 50,895.42 : x
  2. Step 2: Convert to fraction form
    84,881.40/117,138.54 = 50,895.42/x
  3. Step 3: Cross multiply
    84,881.40x = 117,138.54 × 50,895.42
  4. Step 4: Simplify right side
    84,881.40x = 5,961,815,191.49
  5. Step 5: Solve for x
    x = 5,961,815,191.49/84,881.40
  6. Step 6: Final answer
    x = 70,237.00

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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.