Home / 86,200.29-118,928.70-52,197.90

Finding the Fourth Proportional to 86,200.29, 118,928.70 and 52,197.90

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Solution

The fourth proportional to 86,200.29, 118,928.70 and 52,197.90 is: 72,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,200.29 : 118,928.70 = 52,197.90 : x
  2. Step 2: Convert to fraction form
    86,200.29/118,928.70 = 52,197.90/x
  3. Step 3: Cross multiply
    86,200.29x = 118,928.70 × 52,197.90
  4. Step 4: Simplify right side
    86,200.29x = 6,207,828,389.73
  5. Step 5: Solve for x
    x = 6,207,828,389.73/86,200.29
  6. Step 6: Final answer
    x = 72,016.33

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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.