Home / 70,968.63-97,938.12-45,861.87

Finding the Fourth Proportional to 70,968.63, 97,938.12 and 45,861.87

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Solution

The fourth proportional to 70,968.63, 97,938.12 and 45,861.87 is: 63,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,968.63 : 97,938.12 = 45,861.87 : x
  2. Step 2: Convert to fraction form
    70,968.63/97,938.12 = 45,861.87/x
  3. Step 3: Cross multiply
    70,968.63x = 97,938.12 × 45,861.87
  4. Step 4: Simplify right side
    70,968.63x = 4,491,625,327.48
  5. Step 5: Solve for x
    x = 4,491,625,327.48/70,968.63
  6. Step 6: Final answer
    x = 63,290.29

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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.