Home / 55,668.80-76,735.68-42,186.08

Finding the Fourth Proportional to 55,668.80, 76,735.68 and 42,186.08

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Solution

The fourth proportional to 55,668.80, 76,735.68 and 42,186.08 is: 58,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,668.80 : 76,735.68 = 42,186.08 : x
  2. Step 2: Convert to fraction form
    55,668.80/76,735.68 = 42,186.08/x
  3. Step 3: Cross multiply
    55,668.80x = 76,735.68 × 42,186.08
  4. Step 4: Simplify right side
    55,668.80x = 3,237,177,535.33
  5. Step 5: Solve for x
    x = 3,237,177,535.33/55,668.80
  6. Step 6: Final answer
    x = 58,150.66

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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.