Home / 71,319.21-98,420.35-41,104.32

Finding the Fourth Proportional to 71,319.21, 98,420.35 and 41,104.32

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Solution

The fourth proportional to 71,319.21, 98,420.35 and 41,104.32 is: 56,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,319.21 : 98,420.35 = 41,104.32 : x
  2. Step 2: Convert to fraction form
    71,319.21/98,420.35 = 41,104.32/x
  3. Step 3: Cross multiply
    71,319.21x = 98,420.35 × 41,104.32
  4. Step 4: Simplify right side
    71,319.21x = 4,045,502,031.57
  5. Step 5: Solve for x
    x = 4,045,502,031.57/71,319.21
  6. Step 6: Final answer
    x = 56,723.88

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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.