Home / 79,761.07-119,554.55-39,262.45

Finding the Fourth Proportional to 79,761.07, 119,554.55 and 39,262.45

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Solution

The fourth proportional to 79,761.07, 119,554.55 and 39,262.45 is: 58,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,761.07 : 119,554.55 = 39,262.45 : x
  2. Step 2: Convert to fraction form
    79,761.07/119,554.55 = 39,262.45/x
  3. Step 3: Cross multiply
    79,761.07x = 119,554.55 × 39,262.45
  4. Step 4: Simplify right side
    79,761.07x = 4,694,003,943.87
  5. Step 5: Solve for x
    x = 4,694,003,943.87/79,761.07
  6. Step 6: Final answer
    x = 58,850.82

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1.5x scale

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.