Home / 58,790.46-81,129.16-31,932.06

Finding the Fourth Proportional to 58,790.46, 81,129.16 and 31,932.06

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Solution

The fourth proportional to 58,790.46, 81,129.16 and 31,932.06 is: 44,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,790.46 : 81,129.16 = 31,932.06 : x
  2. Step 2: Convert to fraction form
    58,790.46/81,129.16 = 31,932.06/x
  3. Step 3: Cross multiply
    58,790.46x = 81,129.16 × 31,932.06
  4. Step 4: Simplify right side
    58,790.46x = 2,590,621,204.87
  5. Step 5: Solve for x
    x = 2,590,621,204.87/58,790.46
  6. Step 6: Final answer
    x = 44,065.33

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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.