Home / 70,507.15-97,299.30-38,675.83

Finding the Fourth Proportional to 70,507.15, 97,299.30 and 38,675.83

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Solution

The fourth proportional to 70,507.15, 97,299.30 and 38,675.83 is: 53,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,507.15 : 97,299.30 = 38,675.83 : x
  2. Step 2: Convert to fraction form
    70,507.15/97,299.30 = 38,675.83/x
  3. Step 3: Cross multiply
    70,507.15x = 97,299.30 × 38,675.83
  4. Step 4: Simplify right side
    70,507.15x = 3,763,131,185.92
  5. Step 5: Solve for x
    x = 3,763,131,185.92/70,507.15
  6. Step 6: Final answer
    x = 53,372.33

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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.