Home / 70,507.20-97,299.48-38,676.24

Finding the Fourth Proportional to 70,507.20, 97,299.48 and 38,676.24

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Solution

The fourth proportional to 70,507.20, 97,299.48 and 38,676.24 is: 53,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,507.20 : 97,299.48 = 38,676.24 : x
  2. Step 2: Convert to fraction form
    70,507.20/97,299.48 = 38,676.24/x
  3. Step 3: Cross multiply
    70,507.20x = 97,299.48 × 38,676.24
  4. Step 4: Simplify right side
    70,507.20x = 3,763,178,040.36
  5. Step 5: Solve for x
    x = 3,763,178,040.36/70,507.20
  6. Step 6: Final answer
    x = 53,372.96

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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.