Home / 65,770.43-98,670.26-30,690.95

Finding the Fourth Proportional to 65,770.43, 98,670.26 and 30,690.95

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Solution

The fourth proportional to 65,770.43, 98,670.26 and 30,690.95 is: 46,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,770.43 : 98,670.26 = 30,690.95 : x
  2. Step 2: Convert to fraction form
    65,770.43/98,670.26 = 30,690.95/x
  3. Step 3: Cross multiply
    65,770.43x = 98,670.26 × 30,690.95
  4. Step 4: Simplify right side
    65,770.43x = 3,028,283,862.69
  5. Step 5: Solve for x
    x = 3,028,283,862.69/65,770.43
  6. Step 6: Final answer
    x = 46,043.24

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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.