Home / 64,716.08-97,074.05-20,346.71

Finding the Fourth Proportional to 64,716.08, 97,074.05 and 20,346.71

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Solution

The fourth proportional to 64,716.08, 97,074.05 and 20,346.71 is: 30,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,716.08 : 97,074.05 = 20,346.71 : x
  2. Step 2: Convert to fraction form
    64,716.08/97,074.05 = 20,346.71/x
  3. Step 3: Cross multiply
    64,716.08x = 97,074.05 × 20,346.71
  4. Step 4: Simplify right side
    64,716.08x = 1,975,136,956.77
  5. Step 5: Solve for x
    x = 1,975,136,956.77/64,716.08
  6. Step 6: Final answer
    x = 30,520.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.