Home / 56,615.36-84,943.08-31,676.87

Finding the Fourth Proportional to 56,615.36, 84,943.08 and 31,676.87

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Solution

The fourth proportional to 56,615.36, 84,943.08 and 31,676.87 is: 47,526.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,615.36 : 84,943.08 = 31,676.87 : x
  2. Step 2: Convert to fraction form
    56,615.36/84,943.08 = 31,676.87/x
  3. Step 3: Cross multiply
    56,615.36x = 84,943.08 × 31,676.87
  4. Step 4: Simplify right side
    56,615.36x = 2,690,731,114.92
  5. Step 5: Solve for x
    x = 2,690,731,114.92/56,615.36
  6. Step 6: Final answer
    x = 47,526.53

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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.