Home / 85,770.07-118,368.93-51,786.82

Finding the Fourth Proportional to 85,770.07, 118,368.93 and 51,786.82

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Solution

The fourth proportional to 85,770.07, 118,368.93 and 51,786.82 is: 71,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,770.07 : 118,368.93 = 51,786.82 : x
  2. Step 2: Convert to fraction form
    85,770.07/118,368.93 = 51,786.82/x
  3. Step 3: Cross multiply
    85,770.07x = 118,368.93 × 51,786.82
  4. Step 4: Simplify right side
    85,770.07x = 6,129,950,212.57
  5. Step 5: Solve for x
    x = 6,129,950,212.57/85,770.07
  6. Step 6: Final answer
    x = 71,469.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.