Home / 84,018.60-116,104.10-66,254.69

Finding the Fourth Proportional to 84,018.60, 116,104.10 and 66,254.69

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Solution

The fourth proportional to 84,018.60, 116,104.10 and 66,254.69 is: 91,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018.60 : 116,104.10 = 66,254.69 : x
  2. Step 2: Convert to fraction form
    84,018.60/116,104.10 = 66,254.69/x
  3. Step 3: Cross multiply
    84,018.60x = 116,104.10 × 66,254.69
  4. Step 4: Simplify right side
    84,018.60x = 7,692,441,112.22
  5. Step 5: Solve for x
    x = 7,692,441,112.22/84,018.60
  6. Step 6: Final answer
    x = 91,556.41

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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.