Home / 81,367.66-112,289.46-45,565.24

Finding the Fourth Proportional to 81,367.66, 112,289.46 and 45,565.24

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Solution

The fourth proportional to 81,367.66, 112,289.46 and 45,565.24 is: 62,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,367.66 : 112,289.46 = 45,565.24 : x
  2. Step 2: Convert to fraction form
    81,367.66/112,289.46 = 45,565.24/x
  3. Step 3: Cross multiply
    81,367.66x = 112,289.46 × 45,565.24
  4. Step 4: Simplify right side
    81,367.66x = 5,116,496,194.37
  5. Step 5: Solve for x
    x = 5,116,496,194.37/81,367.66
  6. Step 6: Final answer
    x = 62,881.20

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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.