Home / 43,987.60-65,891.80-27,296.40

Finding the Fourth Proportional to 43,987.60, 65,891.80 and 27,296.40

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Solution

The fourth proportional to 43,987.60, 65,891.80 and 27,296.40 is: 40,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,987.60 : 65,891.80 = 27,296.40 : x
  2. Step 2: Convert to fraction form
    43,987.60/65,891.80 = 27,296.40/x
  3. Step 3: Cross multiply
    43,987.60x = 65,891.80 × 27,296.40
  4. Step 4: Simplify right side
    43,987.60x = 1,798,608,929.52
  5. Step 5: Solve for x
    x = 1,798,608,929.52/43,987.60
  6. Step 6: Final answer
    x = 40,889.00

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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.