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Finding the Fourth Proportional to 71,297.61, 98,401.06 and 41,077.05

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Solution

The fourth proportional to 71,297.61, 98,401.06 and 41,077.05 is: 56,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,297.61 : 98,401.06 = 41,077.05 : x
  2. Step 2: Convert to fraction form
    71,297.61/98,401.06 = 41,077.05/x
  3. Step 3: Cross multiply
    71,297.61x = 98,401.06 × 41,077.05
  4. Step 4: Simplify right side
    71,297.61x = 4,042,025,261.67
  5. Step 5: Solve for x
    x = 4,042,025,261.67/71,297.61
  6. Step 6: Final answer
    x = 56,692.30

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1.5x scale

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.