Home / 75,953.51-113,831.16-54,964.25

Finding the Fourth Proportional to 75,953.51, 113,831.16 and 54,964.25

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Solution

The fourth proportional to 75,953.51, 113,831.16 and 54,964.25 is: 82,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,953.51 : 113,831.16 = 54,964.25 : x
  2. Step 2: Convert to fraction form
    75,953.51/113,831.16 = 54,964.25/x
  3. Step 3: Cross multiply
    75,953.51x = 113,831.16 × 54,964.25
  4. Step 4: Simplify right side
    75,953.51x = 6,256,643,766.87
  5. Step 5: Solve for x
    x = 6,256,643,766.87/75,953.51
  6. Step 6: Final answer
    x = 82,374.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.