Home / 45,904.68-68,849.08-12,170.92

Finding the Fourth Proportional to 45,904.68, 68,849.08 and 12,170.92

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Solution

The fourth proportional to 45,904.68, 68,849.08 and 12,170.92 is: 18,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,904.68 : 68,849.08 = 12,170.92 : x
  2. Step 2: Convert to fraction form
    45,904.68/68,849.08 = 12,170.92/x
  3. Step 3: Cross multiply
    45,904.68x = 68,849.08 × 12,170.92
  4. Step 4: Simplify right side
    45,904.68x = 837,956,644.75
  5. Step 5: Solve for x
    x = 837,956,644.75/45,904.68
  6. Step 6: Final answer
    x = 18,254.27

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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.