Home / 54,259.20-81,339.84-27,930.24

Finding the Fourth Proportional to 54,259.20, 81,339.84 and 27,930.24

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Solution

The fourth proportional to 54,259.20, 81,339.84 and 27,930.24 is: 41,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.20 : 81,339.84 = 27,930.24 : x
  2. Step 2: Convert to fraction form
    54,259.20/81,339.84 = 27,930.24/x
  3. Step 3: Cross multiply
    54,259.20x = 81,339.84 × 27,930.24
  4. Step 4: Simplify right side
    54,259.20x = 2,271,841,252.76
  5. Step 5: Solve for x
    x = 2,271,841,252.76/54,259.20
  6. Step 6: Final answer
    x = 41,870.16

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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.