Home / 85,544.14-128,310.06-26,373.64

Finding the Fourth Proportional to 85,544.14, 128,310.06 and 26,373.64

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Solution

The fourth proportional to 85,544.14, 128,310.06 and 26,373.64 is: 39,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,544.14 : 128,310.06 = 26,373.64 : x
  2. Step 2: Convert to fraction form
    85,544.14/128,310.06 = 26,373.64/x
  3. Step 3: Cross multiply
    85,544.14x = 128,310.06 × 26,373.64
  4. Step 4: Simplify right side
    85,544.14x = 3,384,003,330.82
  5. Step 5: Solve for x
    x = 3,384,003,330.82/85,544.14
  6. Step 6: Final answer
    x = 39,558.56

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1.5x scale

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.