Home / 58,727.05-81,043.38-31,869.56

Finding the Fourth Proportional to 58,727.05, 81,043.38 and 31,869.56

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Solution

The fourth proportional to 58,727.05, 81,043.38 and 31,869.56 is: 43,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,727.05 : 81,043.38 = 31,869.56 : x
  2. Step 2: Convert to fraction form
    58,727.05/81,043.38 = 31,869.56/x
  3. Step 3: Cross multiply
    58,727.05x = 81,043.38 × 31,869.56
  4. Step 4: Simplify right side
    58,727.05x = 2,582,816,941.19
  5. Step 5: Solve for x
    x = 2,582,816,941.19/58,727.05
  6. Step 6: Final answer
    x = 43,980.02

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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.