Home / 85,337.93-117,759.34-47,611.37

Finding the Fourth Proportional to 85,337.93, 117,759.34 and 47,611.37

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Solution

The fourth proportional to 85,337.93, 117,759.34 and 47,611.37 is: 65,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,337.93 : 117,759.34 = 47,611.37 : x
  2. Step 2: Convert to fraction form
    85,337.93/117,759.34 = 47,611.37/x
  3. Step 3: Cross multiply
    85,337.93x = 117,759.34 × 47,611.37
  4. Step 4: Simplify right side
    85,337.93x = 5,606,683,507.70
  5. Step 5: Solve for x
    x = 5,606,683,507.70/85,337.93
  6. Step 6: Final answer
    x = 65,699.78

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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.