Home / 58,756.20-81,083.61-31,898.69

Finding the Fourth Proportional to 58,756.20, 81,083.61 and 31,898.69

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Solution

The fourth proportional to 58,756.20, 81,083.61 and 31,898.69 is: 44,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,756.20 : 81,083.61 = 31,898.69 : x
  2. Step 2: Convert to fraction form
    58,756.20/81,083.61 = 31,898.69/x
  3. Step 3: Cross multiply
    58,756.20x = 81,083.61 × 31,898.69
  4. Step 4: Simplify right side
    58,756.20x = 2,586,461,142.18
  5. Step 5: Solve for x
    x = 2,586,461,142.18/58,756.20
  6. Step 6: Final answer
    x = 44,020.22

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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.