Home / 70,624.96-97,438.31-40,399.27

Finding the Fourth Proportional to 70,624.96, 97,438.31 and 40,399.27

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Solution

The fourth proportional to 70,624.96, 97,438.31 and 40,399.27 is: 55,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,624.96 : 97,438.31 = 40,399.27 : x
  2. Step 2: Convert to fraction form
    70,624.96/97,438.31 = 40,399.27/x
  3. Step 3: Cross multiply
    70,624.96x = 97,438.31 × 40,399.27
  4. Step 4: Simplify right side
    70,624.96x = 3,936,436,392.04
  5. Step 5: Solve for x
    x = 3,936,436,392.04/70,624.96
  6. Step 6: Final answer
    x = 55,737.18

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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.