Home / 84,618.90-116,827.26-54,456.76

Finding the Fourth Proportional to 84,618.90, 116,827.26 and 54,456.76

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Solution

The fourth proportional to 84,618.90, 116,827.26 and 54,456.76 is: 75,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,618.90 : 116,827.26 = 54,456.76 : x
  2. Step 2: Convert to fraction form
    84,618.90/116,827.26 = 54,456.76/x
  3. Step 3: Cross multiply
    84,618.90x = 116,827.26 × 54,456.76
  4. Step 4: Simplify right side
    84,618.90x = 6,362,033,650.26
  5. Step 5: Solve for x
    x = 6,362,033,650.26/84,618.90
  6. Step 6: Final answer
    x = 75,184.54

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1.5x scale

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.