Home / 56,769.32-78,309.68-32,892.75

Finding the Fourth Proportional to 56,769.32, 78,309.68 and 32,892.75

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Solution

The fourth proportional to 56,769.32, 78,309.68 and 32,892.75 is: 45,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,769.32 : 78,309.68 = 32,892.75 : x
  2. Step 2: Convert to fraction form
    56,769.32/78,309.68 = 32,892.75/x
  3. Step 3: Cross multiply
    56,769.32x = 78,309.68 × 32,892.75
  4. Step 4: Simplify right side
    56,769.32x = 2,575,820,562.36
  5. Step 5: Solve for x
    x = 2,575,820,562.36/56,769.32
  6. Step 6: Final answer
    x = 45,373.47

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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.