Home / 53,910.10-80,921.64-25,853.93

Finding the Fourth Proportional to 53,910.10, 80,921.64 and 25,853.93

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Solution

The fourth proportional to 53,910.10, 80,921.64 and 25,853.93 is: 38,807.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,910.10 : 80,921.64 = 25,853.93 : x
  2. Step 2: Convert to fraction form
    53,910.10/80,921.64 = 25,853.93/x
  3. Step 3: Cross multiply
    53,910.10x = 80,921.64 × 25,853.93
  4. Step 4: Simplify right side
    53,910.10x = 2,092,142,416.05
  5. Step 5: Solve for x
    x = 2,092,142,416.05/53,910.10
  6. Step 6: Final answer
    x = 38,807.99

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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.