Home / 91,036.64-136,571.39-27,855.59

Finding the Fourth Proportional to 91,036.64, 136,571.39 and 27,855.59

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Solution

The fourth proportional to 91,036.64, 136,571.39 and 27,855.59 is: 41,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,036.64 : 136,571.39 = 27,855.59 : x
  2. Step 2: Convert to fraction form
    91,036.64/136,571.39 = 27,855.59/x
  3. Step 3: Cross multiply
    91,036.64x = 136,571.39 × 27,855.59
  4. Step 4: Simplify right side
    91,036.64x = 3,804,275,927.89
  5. Step 5: Solve for x
    x = 3,804,275,927.89/91,036.64
  6. Step 6: Final answer
    x = 41,788.40

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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.