Home / 53,785.72-80,678.48-16,345.64

Finding the Fourth Proportional to 53,785.72, 80,678.48 and 16,345.64

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Solution

The fourth proportional to 53,785.72, 80,678.48 and 16,345.64 is: 24,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.72 : 80,678.48 = 16,345.64 : x
  2. Step 2: Convert to fraction form
    53,785.72/80,678.48 = 16,345.64/x
  3. Step 3: Cross multiply
    53,785.72x = 80,678.48 × 16,345.64
  4. Step 4: Simplify right side
    53,785.72x = 1,318,741,389.83
  5. Step 5: Solve for x
    x = 1,318,741,389.83/53,785.72
  6. Step 6: Final answer
    x = 24,518.43

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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.