Home / 84,813.48-117,063.63-49,025.79

Finding the Fourth Proportional to 84,813.48, 117,063.63 and 49,025.79

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Solution

The fourth proportional to 84,813.48, 117,063.63 and 49,025.79 is: 67,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,813.48 : 117,063.63 = 49,025.79 : x
  2. Step 2: Convert to fraction form
    84,813.48/117,063.63 = 49,025.79/x
  3. Step 3: Cross multiply
    84,813.48x = 117,063.63 × 49,025.79
  4. Step 4: Simplify right side
    84,813.48x = 5,739,136,941.02
  5. Step 5: Solve for x
    x = 5,739,136,941.02/84,813.48
  6. Step 6: Final answer
    x = 67,667.75

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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.