Home / 86,371.84-129,548.16-23,197.28

Finding the Fourth Proportional to 86,371.84, 129,548.16 and 23,197.28

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Solution

The fourth proportional to 86,371.84, 129,548.16 and 23,197.28 is: 34,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,371.84 : 129,548.16 = 23,197.28 : x
  2. Step 2: Convert to fraction form
    86,371.84/129,548.16 = 23,197.28/x
  3. Step 3: Cross multiply
    86,371.84x = 129,548.16 × 23,197.28
  4. Step 4: Simplify right side
    86,371.84x = 3,005,164,941.00
  5. Step 5: Solve for x
    x = 3,005,164,941.00/86,371.84
  6. Step 6: Final answer
    x = 34,793.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.