Home / 58,581.75-87,899.40-31,887.75

Finding the Fourth Proportional to 58,581.75, 87,899.40 and 31,887.75

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Solution

The fourth proportional to 58,581.75, 87,899.40 and 31,887.75 is: 47,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,581.75 : 87,899.40 = 31,887.75 : x
  2. Step 2: Convert to fraction form
    58,581.75/87,899.40 = 31,887.75/x
  3. Step 3: Cross multiply
    58,581.75x = 87,899.40 × 31,887.75
  4. Step 4: Simplify right side
    58,581.75x = 2,802,914,092.35
  5. Step 5: Solve for x
    x = 2,802,914,092.35/58,581.75
  6. Step 6: Final answer
    x = 47,846.20

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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.