Home / 62,556.28-86,367.84-55,830.40

Finding the Fourth Proportional to 62,556.28, 86,367.84 and 55,830.40

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Solution

The fourth proportional to 62,556.28, 86,367.84 and 55,830.40 is: 77,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,556.28 : 86,367.84 = 55,830.40 : x
  2. Step 2: Convert to fraction form
    62,556.28/86,367.84 = 55,830.40/x
  3. Step 3: Cross multiply
    62,556.28x = 86,367.84 × 55,830.40
  4. Step 4: Simplify right side
    62,556.28x = 4,821,951,054.34
  5. Step 5: Solve for x
    x = 4,821,951,054.34/62,556.28
  6. Step 6: Final answer
    x = 77,081.81

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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.