Home / 58,835.45-81,192.63-31,977.96

Finding the Fourth Proportional to 58,835.45, 81,192.63 and 31,977.96

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Solution

The fourth proportional to 58,835.45, 81,192.63 and 31,977.96 is: 44,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,835.45 : 81,192.63 = 31,977.96 : x
  2. Step 2: Convert to fraction form
    58,835.45/81,192.63 = 31,977.96/x
  3. Step 3: Cross multiply
    58,835.45x = 81,192.63 × 31,977.96
  4. Step 4: Simplify right side
    58,835.45x = 2,596,374,511.43
  5. Step 5: Solve for x
    x = 2,596,374,511.43/58,835.45
  6. Step 6: Final answer
    x = 44,129.42

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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.