Home / 83,784.48-115,622.64-46,059.36

Finding the Fourth Proportional to 83,784.48, 115,622.64 and 46,059.36

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Solution

The fourth proportional to 83,784.48, 115,622.64 and 46,059.36 is: 63,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,784.48 : 115,622.64 = 46,059.36 : x
  2. Step 2: Convert to fraction form
    83,784.48/115,622.64 = 46,059.36/x
  3. Step 3: Cross multiply
    83,784.48x = 115,622.64 × 46,059.36
  4. Step 4: Simplify right side
    83,784.48x = 5,325,504,799.91
  5. Step 5: Solve for x
    x = 5,325,504,799.91/83,784.48
  6. Step 6: Final answer
    x = 63,561.95

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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.