Home / 85,727.04-118,528.97-75,086.07

Finding the Fourth Proportional to 85,727.04, 118,528.97 and 75,086.07

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Solution

The fourth proportional to 85,727.04, 118,528.97 and 75,086.07 is: 103,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.04 : 118,528.97 = 75,086.07 : x
  2. Step 2: Convert to fraction form
    85,727.04/118,528.97 = 75,086.07/x
  3. Step 3: Cross multiply
    85,727.04x = 118,528.97 × 75,086.07
  4. Step 4: Simplify right side
    85,727.04x = 8,899,874,163.02
  5. Step 5: Solve for x
    x = 8,899,874,163.02/85,727.04
  6. Step 6: Final answer
    x = 103,816.42

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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.