Home / 70,433.48-97,190.88-40,215.62

Finding the Fourth Proportional to 70,433.48, 97,190.88 and 40,215.62

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Solution

The fourth proportional to 70,433.48, 97,190.88 and 40,215.62 is: 55,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,433.48 : 97,190.88 = 40,215.62 : x
  2. Step 2: Convert to fraction form
    70,433.48/97,190.88 = 40,215.62/x
  3. Step 3: Cross multiply
    70,433.48x = 97,190.88 × 40,215.62
  4. Step 4: Simplify right side
    70,433.48x = 3,908,591,497.55
  5. Step 5: Solve for x
    x = 3,908,591,497.55/70,433.48
  6. Step 6: Final answer
    x = 55,493.37

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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.