Home / 84,945.08-127,368.42-28,766.44

Finding the Fourth Proportional to 84,945.08, 127,368.42 and 28,766.44

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Solution

The fourth proportional to 84,945.08, 127,368.42 and 28,766.44 is: 43,133.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945.08 : 127,368.42 = 28,766.44 : x
  2. Step 2: Convert to fraction form
    84,945.08/127,368.42 = 28,766.44/x
  3. Step 3: Cross multiply
    84,945.08x = 127,368.42 × 28,766.44
  4. Step 4: Simplify right side
    84,945.08x = 3,663,936,011.82
  5. Step 5: Solve for x
    x = 3,663,936,011.82/84,945.08
  6. Step 6: Final answer
    x = 43,133.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.