Home / 53,435.80-79,719.17-45,595

Finding the Fourth Proportional to 53,435.80, 79,719.17 and 45,595

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Solution

The fourth proportional to 53,435.80, 79,719.17 and 45,595 is: 68,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,435.80 : 79,719.17 = 45,595 : x
  2. Step 2: Convert to fraction form
    53,435.80/79,719.17 = 45,595/x
  3. Step 3: Cross multiply
    53,435.80x = 79,719.17 × 45,595
  4. Step 4: Simplify right side
    53,435.80x = 3,634,795,556.15
  5. Step 5: Solve for x
    x = 3,634,795,556.15/53,435.80
  6. Step 6: Final answer
    x = 68,021.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.