Home / 58,439.41-80,646.41-31,581.91

Finding the Fourth Proportional to 58,439.41, 80,646.41 and 31,581.91

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Solution

The fourth proportional to 58,439.41, 80,646.41 and 31,581.91 is: 43,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,439.41 : 80,646.41 = 31,581.91 : x
  2. Step 2: Convert to fraction form
    58,439.41/80,646.41 = 31,581.91/x
  3. Step 3: Cross multiply
    58,439.41x = 80,646.41 × 31,581.91
  4. Step 4: Simplify right side
    58,439.41x = 2,546,967,662.44
  5. Step 5: Solve for x
    x = 2,546,967,662.44/58,439.41
  6. Step 6: Final answer
    x = 43,583.05

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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.