Home / 70,748.59-97,635.12-40,536.75

Finding the Fourth Proportional to 70,748.59, 97,635.12 and 40,536.75

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Solution

The fourth proportional to 70,748.59, 97,635.12 and 40,536.75 is: 55,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,748.59 : 97,635.12 = 40,536.75 : x
  2. Step 2: Convert to fraction form
    70,748.59/97,635.12 = 40,536.75/x
  3. Step 3: Cross multiply
    70,748.59x = 97,635.12 × 40,536.75
  4. Step 4: Simplify right side
    70,748.59x = 3,957,810,247.98
  5. Step 5: Solve for x
    x = 3,957,810,247.98/70,748.59
  6. Step 6: Final answer
    x = 55,941.90

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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.