Home / 61,716.87-92,579.63-30,543.75

Finding the Fourth Proportional to 61,716.87, 92,579.63 and 30,543.75

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Solution

The fourth proportional to 61,716.87, 92,579.63 and 30,543.75 is: 45,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,716.87 : 92,579.63 = 30,543.75 : x
  2. Step 2: Convert to fraction form
    61,716.87/92,579.63 = 30,543.75/x
  3. Step 3: Cross multiply
    61,716.87x = 92,579.63 × 30,543.75
  4. Step 4: Simplify right side
    61,716.87x = 2,827,728,921.09
  5. Step 5: Solve for x
    x = 2,827,728,921.09/61,716.87
  6. Step 6: Final answer
    x = 45,817.76

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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.