Home / 85,997.11-118,672.01-47,759.08

Finding the Fourth Proportional to 85,997.11, 118,672.01 and 47,759.08

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Solution

The fourth proportional to 85,997.11, 118,672.01 and 47,759.08 is: 65,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,997.11 : 118,672.01 = 47,759.08 : x
  2. Step 2: Convert to fraction form
    85,997.11/118,672.01 = 47,759.08/x
  3. Step 3: Cross multiply
    85,997.11x = 118,672.01 × 47,759.08
  4. Step 4: Simplify right side
    85,997.11x = 5,667,666,019.35
  5. Step 5: Solve for x
    x = 5,667,666,019.35/85,997.11
  6. Step 6: Final answer
    x = 65,905.31

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1.5x scale

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.