Home / 65,837.40-98,765.84-19,084.20

Finding the Fourth Proportional to 65,837.40, 98,765.84 and 19,084.20

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Solution

The fourth proportional to 65,837.40, 98,765.84 and 19,084.20 is: 28,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,837.40 : 98,765.84 = 19,084.20 : x
  2. Step 2: Convert to fraction form
    65,837.40/98,765.84 = 19,084.20/x
  3. Step 3: Cross multiply
    65,837.40x = 98,765.84 × 19,084.20
  4. Step 4: Simplify right side
    65,837.40x = 1,884,867,043.73
  5. Step 5: Solve for x
    x = 1,884,867,043.73/65,837.40
  6. Step 6: Final answer
    x = 28,629.12

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1.5x scale

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.