Home / 56,768.85-78,303.51-35,511.21

Finding the Fourth Proportional to 56,768.85, 78,303.51 and 35,511.21

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Solution

The fourth proportional to 56,768.85, 78,303.51 and 35,511.21 is: 48,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,768.85 : 78,303.51 = 35,511.21 : x
  2. Step 2: Convert to fraction form
    56,768.85/78,303.51 = 35,511.21/x
  3. Step 3: Cross multiply
    56,768.85x = 78,303.51 × 35,511.21
  4. Step 4: Simplify right side
    56,768.85x = 2,780,652,387.35
  5. Step 5: Solve for x
    x = 2,780,652,387.35/56,768.85
  6. Step 6: Final answer
    x = 48,982.01

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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.