Home / 70,885.43-97,821.60-38,619.96

Finding the Fourth Proportional to 70,885.43, 97,821.60 and 38,619.96

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Solution

The fourth proportional to 70,885.43, 97,821.60 and 38,619.96 is: 53,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,885.43 : 97,821.60 = 38,619.96 : x
  2. Step 2: Convert to fraction form
    70,885.43/97,821.60 = 38,619.96/x
  3. Step 3: Cross multiply
    70,885.43x = 97,821.60 × 38,619.96
  4. Step 4: Simplify right side
    70,885.43x = 3,777,866,076.43
  5. Step 5: Solve for x
    x = 3,777,866,076.43/70,885.43
  6. Step 6: Final answer
    x = 53,295.38

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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.