Home / 53,451.63-80,205.09-38,781.63

Finding the Fourth Proportional to 53,451.63, 80,205.09 and 38,781.63

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Solution

The fourth proportional to 53,451.63, 80,205.09 and 38,781.63 is: 58,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,451.63 : 80,205.09 = 38,781.63 : x
  2. Step 2: Convert to fraction form
    53,451.63/80,205.09 = 38,781.63/x
  3. Step 3: Cross multiply
    53,451.63x = 80,205.09 × 38,781.63
  4. Step 4: Simplify right side
    53,451.63x = 3,110,484,124.50
  5. Step 5: Solve for x
    x = 3,110,484,124.50/53,451.63
  6. Step 6: Final answer
    x = 58,192.50

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Double scale
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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.