Home / 70,317.72-97,039.62-38,487.96

Finding the Fourth Proportional to 70,317.72, 97,039.62 and 38,487.96

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Solution

The fourth proportional to 70,317.72, 97,039.62 and 38,487.96 is: 53,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,317.72 : 97,039.62 = 38,487.96 : x
  2. Step 2: Convert to fraction form
    70,317.72/97,039.62 = 38,487.96/x
  3. Step 3: Cross multiply
    70,317.72x = 97,039.62 × 38,487.96
  4. Step 4: Simplify right side
    70,317.72x = 3,734,857,012.98
  5. Step 5: Solve for x
    x = 3,734,857,012.98/70,317.72
  6. Step 6: Final answer
    x = 53,114.02

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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.