Home / 45,933.12-68,898.60-12,652.92

Finding the Fourth Proportional to 45,933.12, 68,898.60 and 12,652.92

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Solution

The fourth proportional to 45,933.12, 68,898.60 and 12,652.92 is: 18,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,933.12 : 68,898.60 = 12,652.92 : x
  2. Step 2: Convert to fraction form
    45,933.12/68,898.60 = 12,652.92/x
  3. Step 3: Cross multiply
    45,933.12x = 68,898.60 × 12,652.92
  4. Step 4: Simplify right side
    45,933.12x = 871,768,473.91
  5. Step 5: Solve for x
    x = 871,768,473.91/45,933.12
  6. Step 6: Final answer
    x = 18,979.08

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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.