Home / 86,203.06-129,306.75-23,874.10

Finding the Fourth Proportional to 86,203.06, 129,306.75 and 23,874.10

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Solution

The fourth proportional to 86,203.06, 129,306.75 and 23,874.10 is: 35,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,203.06 : 129,306.75 = 23,874.10 : x
  2. Step 2: Convert to fraction form
    86,203.06/129,306.75 = 23,874.10/x
  3. Step 3: Cross multiply
    86,203.06x = 129,306.75 × 23,874.10
  4. Step 4: Simplify right side
    86,203.06x = 3,087,082,280.18
  5. Step 5: Solve for x
    x = 3,087,082,280.18/86,203.06
  6. Step 6: Final answer
    x = 35,811.75

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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.