Home / 70,546.89-97,354.73-38,715.81

Finding the Fourth Proportional to 70,546.89, 97,354.73 and 38,715.81

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Solution

The fourth proportional to 70,546.89, 97,354.73 and 38,715.81 is: 53,427.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,546.89 : 97,354.73 = 38,715.81 : x
  2. Step 2: Convert to fraction form
    70,546.89/97,354.73 = 38,715.81/x
  3. Step 3: Cross multiply
    70,546.89x = 97,354.73 × 38,715.81
  4. Step 4: Simplify right side
    70,546.89x = 3,769,167,229.28
  5. Step 5: Solve for x
    x = 3,769,167,229.28/70,546.89
  6. Step 6: Final answer
    x = 53,427.83

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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.