Home / 58,887.39-81,257.23-39,808.66

Finding the Fourth Proportional to 58,887.39, 81,257.23 and 39,808.66

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Solution

The fourth proportional to 58,887.39, 81,257.23 and 39,808.66 is: 54,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,887.39 : 81,257.23 = 39,808.66 : x
  2. Step 2: Convert to fraction form
    58,887.39/81,257.23 = 39,808.66/x
  3. Step 3: Cross multiply
    58,887.39x = 81,257.23 × 39,808.66
  4. Step 4: Simplify right side
    58,887.39x = 3,234,741,342.09
  5. Step 5: Solve for x
    x = 3,234,741,342.09/58,887.39
  6. Step 6: Final answer
    x = 54,930.97

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1.5x scale

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.