Home / 85,065.12-127,597.68-22,734

Finding the Fourth Proportional to 85,065.12, 127,597.68 and 22,734

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Solution

The fourth proportional to 85,065.12, 127,597.68 and 22,734 is: 34,101

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,065.12 : 127,597.68 = 22,734 : x
  2. Step 2: Convert to fraction form
    85,065.12/127,597.68 = 22,734/x
  3. Step 3: Cross multiply
    85,065.12x = 127,597.68 × 22,734
  4. Step 4: Simplify right side
    85,065.12x = 2,900,805,657.12
  5. Step 5: Solve for x
    x = 2,900,805,657.12/85,065.12
  6. Step 6: Final answer
    x = 34,101

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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.