Home / 70,560.11-97,374.21-38,731.97

Finding the Fourth Proportional to 70,560.11, 97,374.21 and 38,731.97

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Solution

The fourth proportional to 70,560.11, 97,374.21 and 38,731.97 is: 53,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,560.11 : 97,374.21 = 38,731.97 : x
  2. Step 2: Convert to fraction form
    70,560.11/97,374.21 = 38,731.97/x
  3. Step 3: Cross multiply
    70,560.11x = 97,374.21 × 38,731.97
  4. Step 4: Simplify right side
    70,560.11x = 3,771,494,980.49
  5. Step 5: Solve for x
    x = 3,771,494,980.49/70,560.11
  6. Step 6: Final answer
    x = 53,450.81

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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.