Home / 86,205.04-118,935.26-52,202.66

Finding the Fourth Proportional to 86,205.04, 118,935.26 and 52,202.66

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Solution

The fourth proportional to 86,205.04, 118,935.26 and 52,202.66 is: 72,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,205.04 : 118,935.26 = 52,202.66 : x
  2. Step 2: Convert to fraction form
    86,205.04/118,935.26 = 52,202.66/x
  3. Step 3: Cross multiply
    86,205.04x = 118,935.26 × 52,202.66
  4. Step 4: Simplify right side
    86,205.04x = 6,208,736,939.79
  5. Step 5: Solve for x
    x = 6,208,736,939.79/86,205.04
  6. Step 6: Final answer
    x = 72,022.90

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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.