Home / 70,676.92-97,535.40-38,845.72

Finding the Fourth Proportional to 70,676.92, 97,535.40 and 38,845.72

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Solution

The fourth proportional to 70,676.92, 97,535.40 and 38,845.72 is: 53,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,676.92 : 97,535.40 = 38,845.72 : x
  2. Step 2: Convert to fraction form
    70,676.92/97,535.40 = 38,845.72/x
  3. Step 3: Cross multiply
    70,676.92x = 97,535.40 × 38,845.72
  4. Step 4: Simplify right side
    70,676.92x = 3,788,832,838.49
  5. Step 5: Solve for x
    x = 3,788,832,838.49/70,676.92
  6. Step 6: Final answer
    x = 53,607.78

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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.