Home / 43,256.68-64,885.14-12,092.20

Finding the Fourth Proportional to 43,256.68, 64,885.14 and 12,092.20

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Solution

The fourth proportional to 43,256.68, 64,885.14 and 12,092.20 is: 18,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,256.68 : 64,885.14 = 12,092.20 : x
  2. Step 2: Convert to fraction form
    43,256.68/64,885.14 = 12,092.20/x
  3. Step 3: Cross multiply
    43,256.68x = 64,885.14 × 12,092.20
  4. Step 4: Simplify right side
    43,256.68x = 784,604,089.91
  5. Step 5: Solve for x
    x = 784,604,089.91/43,256.68
  6. Step 6: Final answer
    x = 18,138.33

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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.