Home / 81,574.94-112,567.62-45,278.33

Finding the Fourth Proportional to 81,574.94, 112,567.62 and 45,278.33

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Solution

The fourth proportional to 81,574.94, 112,567.62 and 45,278.33 is: 62,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,574.94 : 112,567.62 = 45,278.33 : x
  2. Step 2: Convert to fraction form
    81,574.94/112,567.62 = 45,278.33/x
  3. Step 3: Cross multiply
    81,574.94x = 112,567.62 × 45,278.33
  4. Step 4: Simplify right side
    81,574.94x = 5,096,873,282.84
  5. Step 5: Solve for x
    x = 5,096,873,282.84/81,574.94
  6. Step 6: Final answer
    x = 62,480.87

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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.