Home / 79,390.12-119,089.66-26,085.48

Finding the Fourth Proportional to 79,390.12, 119,089.66 and 26,085.48

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Solution

The fourth proportional to 79,390.12, 119,089.66 and 26,085.48 is: 39,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,390.12 : 119,089.66 = 26,085.48 : x
  2. Step 2: Convert to fraction form
    79,390.12/119,089.66 = 26,085.48/x
  3. Step 3: Cross multiply
    79,390.12x = 119,089.66 × 26,085.48
  4. Step 4: Simplify right side
    79,390.12x = 3,106,510,944.14
  5. Step 5: Solve for x
    x = 3,106,510,944.14/79,390.12
  6. Step 6: Final answer
    x = 39,129.69

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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.