Home / 85,136.67-117,365.86-59,563.81

Finding the Fourth Proportional to 85,136.67, 117,365.86 and 59,563.81

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Solution

The fourth proportional to 85,136.67, 117,365.86 and 59,563.81 is: 82,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136.67 : 117,365.86 = 59,563.81 : x
  2. Step 2: Convert to fraction form
    85,136.67/117,365.86 = 59,563.81/x
  3. Step 3: Cross multiply
    85,136.67x = 117,365.86 × 59,563.81
  4. Step 4: Simplify right side
    85,136.67x = 6,990,757,346.51
  5. Step 5: Solve for x
    x = 6,990,757,346.51/85,136.67
  6. Step 6: Final answer
    x = 82,112.18

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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.