Home / 58,427.94-80,636.58-35,781.96

Finding the Fourth Proportional to 58,427.94, 80,636.58 and 35,781.96

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Solution

The fourth proportional to 58,427.94, 80,636.58 and 35,781.96 is: 49,382.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,427.94 : 80,636.58 = 35,781.96 : x
  2. Step 2: Convert to fraction form
    58,427.94/80,636.58 = 35,781.96/x
  3. Step 3: Cross multiply
    58,427.94x = 80,636.58 × 35,781.96
  4. Step 4: Simplify right side
    58,427.94x = 2,885,334,880.10
  5. Step 5: Solve for x
    x = 2,885,334,880.10/58,427.94
  6. Step 6: Final answer
    x = 49,382.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.