Home / 53,451.74-80,205.27-38,781.74

Finding the Fourth Proportional to 53,451.74, 80,205.27 and 38,781.74

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Solution

The fourth proportional to 53,451.74, 80,205.27 and 38,781.74 is: 58,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,451.74 : 80,205.27 = 38,781.74 : x
  2. Step 2: Convert to fraction form
    53,451.74/80,205.27 = 38,781.74/x
  3. Step 3: Cross multiply
    53,451.74x = 80,205.27 × 38,781.74
  4. Step 4: Simplify right side
    53,451.74x = 3,110,499,927.77
  5. Step 5: Solve for x
    x = 3,110,499,927.77/53,451.74
  6. Step 6: Final answer
    x = 58,192.68

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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.