Home / 53,425.64-80,136.54-20,150.84

Finding the Fourth Proportional to 53,425.64, 80,136.54 and 20,150.84

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Solution

The fourth proportional to 53,425.64, 80,136.54 and 20,150.84 is: 30,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,425.64 : 80,136.54 = 20,150.84 : x
  2. Step 2: Convert to fraction form
    53,425.64/80,136.54 = 20,150.84/x
  3. Step 3: Cross multiply
    53,425.64x = 80,136.54 × 20,150.84
  4. Step 4: Simplify right side
    53,425.64x = 1,614,818,595.69
  5. Step 5: Solve for x
    x = 1,614,818,595.69/53,425.64
  6. Step 6: Final answer
    x = 30,225.54

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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.