Home / 79,646.15-119,402.26-53,270.39

Finding the Fourth Proportional to 79,646.15, 119,402.26 and 53,270.39

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Solution

The fourth proportional to 79,646.15, 119,402.26 and 53,270.39 is: 79,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,646.15 : 119,402.26 = 53,270.39 : x
  2. Step 2: Convert to fraction form
    79,646.15/119,402.26 = 53,270.39/x
  3. Step 3: Cross multiply
    79,646.15x = 119,402.26 × 53,270.39
  4. Step 4: Simplify right side
    79,646.15x = 6,360,604,093.72
  5. Step 5: Solve for x
    x = 6,360,604,093.72/79,646.15
  6. Step 6: Final answer
    x = 79,860.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.