Home / 58,735.13-81,053.55-31,877.39

Finding the Fourth Proportional to 58,735.13, 81,053.55 and 31,877.39

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Solution

The fourth proportional to 58,735.13, 81,053.55 and 31,877.39 is: 43,990.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,735.13 : 81,053.55 = 31,877.39 : x
  2. Step 2: Convert to fraction form
    58,735.13/81,053.55 = 31,877.39/x
  3. Step 3: Cross multiply
    58,735.13x = 81,053.55 × 31,877.39
  4. Step 4: Simplify right side
    58,735.13x = 2,583,775,826.87
  5. Step 5: Solve for x
    x = 2,583,775,826.87/58,735.13
  6. Step 6: Final answer
    x = 43,990.30

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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.