Home / 79,269.57-118,770.63-39,235.17

Finding the Fourth Proportional to 79,269.57, 118,770.63 and 39,235.17

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Solution

The fourth proportional to 79,269.57, 118,770.63 and 39,235.17 is: 58,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,269.57 : 118,770.63 = 39,235.17 : x
  2. Step 2: Convert to fraction form
    79,269.57/118,770.63 = 39,235.17/x
  3. Step 3: Cross multiply
    79,269.57x = 118,770.63 × 39,235.17
  4. Step 4: Simplify right side
    79,269.57x = 4,659,985,859.06
  5. Step 5: Solve for x
    x = 4,659,985,859.06/79,269.57
  6. Step 6: Final answer
    x = 58,786.57

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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.