Home / 85,995.37-118,684.53-52,004.09

Finding the Fourth Proportional to 85,995.37, 118,684.53 and 52,004.09

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Solution

The fourth proportional to 85,995.37, 118,684.53 and 52,004.09 is: 71,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,995.37 : 118,684.53 = 52,004.09 : x
  2. Step 2: Convert to fraction form
    85,995.37/118,684.53 = 52,004.09/x
  3. Step 3: Cross multiply
    85,995.37x = 118,684.53 × 52,004.09
  4. Step 4: Simplify right side
    85,995.37x = 6,172,080,979.73
  5. Step 5: Solve for x
    x = 6,172,080,979.73/85,995.37
  6. Step 6: Final answer
    x = 71,772.25

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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.