Home / 56,975.75-78,607.28-33,082.77

Finding the Fourth Proportional to 56,975.75, 78,607.28 and 33,082.77

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Solution

The fourth proportional to 56,975.75, 78,607.28 and 33,082.77 is: 45,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,975.75 : 78,607.28 = 33,082.77 : x
  2. Step 2: Convert to fraction form
    56,975.75/78,607.28 = 33,082.77/x
  3. Step 3: Cross multiply
    56,975.75x = 78,607.28 × 33,082.77
  4. Step 4: Simplify right side
    56,975.75x = 2,600,546,647.27
  5. Step 5: Solve for x
    x = 2,600,546,647.27/56,975.75
  6. Step 6: Final answer
    x = 45,643.05

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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.