Home / 90,559.65-125,057.42-58,350.81

Finding the Fourth Proportional to 90,559.65, 125,057.42 and 58,350.81

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Solution

The fourth proportional to 90,559.65, 125,057.42 and 58,350.81 is: 80,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,559.65 : 125,057.42 = 58,350.81 : x
  2. Step 2: Convert to fraction form
    90,559.65/125,057.42 = 58,350.81/x
  3. Step 3: Cross multiply
    90,559.65x = 125,057.42 × 58,350.81
  4. Step 4: Simplify right side
    90,559.65x = 7,297,201,753.51
  5. Step 5: Solve for x
    x = 7,297,201,753.51/90,559.65
  6. Step 6: Final answer
    x = 80,578.95

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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.