Home / 70,579.10-97,399.23-38,313.70

Finding the Fourth Proportional to 70,579.10, 97,399.23 and 38,313.70

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Solution

The fourth proportional to 70,579.10, 97,399.23 and 38,313.70 is: 52,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,579.10 : 97,399.23 = 38,313.70 : x
  2. Step 2: Convert to fraction form
    70,579.10/97,399.23 = 38,313.70/x
  3. Step 3: Cross multiply
    70,579.10x = 97,399.23 × 38,313.70
  4. Step 4: Simplify right side
    70,579.10x = 3,731,724,199.89
  5. Step 5: Solve for x
    x = 3,731,724,199.89/70,579.10
  6. Step 6: Final answer
    x = 52,872.94

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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.