Home / 85,965.44-118,626-47,727.20

Finding the Fourth Proportional to 85,965.44, 118,626 and 47,727.20

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Solution

The fourth proportional to 85,965.44, 118,626 and 47,727.20 is: 65,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,965.44 : 118,626 = 47,727.20 : x
  2. Step 2: Convert to fraction form
    85,965.44/118,626 = 47,727.20/x
  3. Step 3: Cross multiply
    85,965.44x = 118,626 × 47,727.20
  4. Step 4: Simplify right side
    85,965.44x = 5,661,686,827.20
  5. Step 5: Solve for x
    x = 5,661,686,827.20/85,965.44
  6. Step 6: Final answer
    x = 65,860.03

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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.