Home / 65,643.06-90,577.59-36,958.56

Finding the Fourth Proportional to 65,643.06, 90,577.59 and 36,958.56

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Solution

The fourth proportional to 65,643.06, 90,577.59 and 36,958.56 is: 50,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,643.06 : 90,577.59 = 36,958.56 : x
  2. Step 2: Convert to fraction form
    65,643.06/90,577.59 = 36,958.56/x
  3. Step 3: Cross multiply
    65,643.06x = 90,577.59 × 36,958.56
  4. Step 4: Simplify right side
    65,643.06x = 3,347,617,294.67
  5. Step 5: Solve for x
    x = 3,347,617,294.67/65,643.06
  6. Step 6: Final answer
    x = 50,997.28

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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.