Home / 86,966.93-120,027.05-48,729.06

Finding the Fourth Proportional to 86,966.93, 120,027.05 and 48,729.06

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Solution

The fourth proportional to 86,966.93, 120,027.05 and 48,729.06 is: 67,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,966.93 : 120,027.05 = 48,729.06 : x
  2. Step 2: Convert to fraction form
    86,966.93/120,027.05 = 48,729.06/x
  3. Step 3: Cross multiply
    86,966.93x = 120,027.05 × 48,729.06
  4. Step 4: Simplify right side
    86,966.93x = 5,848,805,077.43
  5. Step 5: Solve for x
    x = 5,848,805,077.43/86,966.93
  6. Step 6: Final answer
    x = 67,253.21

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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.