Home / 58,735.68-81,055.31-31,878.18

Finding the Fourth Proportional to 58,735.68, 81,055.31 and 31,878.18

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Solution

The fourth proportional to 58,735.68, 81,055.31 and 31,878.18 is: 43,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,735.68 : 81,055.31 = 31,878.18 : x
  2. Step 2: Convert to fraction form
    58,735.68/81,055.31 = 31,878.18/x
  3. Step 3: Cross multiply
    58,735.68x = 81,055.31 × 31,878.18
  4. Step 4: Simplify right side
    58,735.68x = 2,583,896,145.79
  5. Step 5: Solve for x
    x = 2,583,896,145.79/58,735.68
  6. Step 6: Final answer
    x = 43,991.94

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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.