Home / 58,735.12-81,055.94-31,878.76

Finding the Fourth Proportional to 58,735.12, 81,055.94 and 31,878.76

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Solution

The fourth proportional to 58,735.12, 81,055.94 and 31,878.76 is: 43,993.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,735.12 : 81,055.94 = 31,878.76 : x
  2. Step 2: Convert to fraction form
    58,735.12/81,055.94 = 31,878.76/x
  3. Step 3: Cross multiply
    58,735.12x = 81,055.94 × 31,878.76
  4. Step 4: Simplify right side
    58,735.12x = 2,583,962,857.83
  5. Step 5: Solve for x
    x = 2,583,962,857.83/58,735.12
  6. Step 6: Final answer
    x = 43,993.49

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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.