Home / 81,177.37-112,022.67-45,367.68

Finding the Fourth Proportional to 81,177.37, 112,022.67 and 45,367.68

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Solution

The fourth proportional to 81,177.37, 112,022.67 and 45,367.68 is: 62,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,177.37 : 112,022.67 = 45,367.68 : x
  2. Step 2: Convert to fraction form
    81,177.37/112,022.67 = 45,367.68/x
  3. Step 3: Cross multiply
    81,177.37x = 112,022.67 × 45,367.68
  4. Step 4: Simplify right side
    81,177.37x = 5,082,208,645.31
  5. Step 5: Solve for x
    x = 5,082,208,645.31/81,177.37
  6. Step 6: Final answer
    x = 62,606.22

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1.5x scale

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.