Home / 56,734.20-78,295.32-31,241.67

Finding the Fourth Proportional to 56,734.20, 78,295.32 and 31,241.67

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Solution

The fourth proportional to 56,734.20, 78,295.32 and 31,241.67 is: 43,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,734.20 : 78,295.32 = 31,241.67 : x
  2. Step 2: Convert to fraction form
    56,734.20/78,295.32 = 31,241.67/x
  3. Step 3: Cross multiply
    56,734.20x = 78,295.32 × 31,241.67
  4. Step 4: Simplify right side
    56,734.20x = 2,446,076,549.98
  5. Step 5: Solve for x
    x = 2,446,076,549.98/56,734.20
  6. Step 6: Final answer
    x = 43,114.67

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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.