Home / 54,303.68-81,387.48-29,342.72

Finding the Fourth Proportional to 54,303.68, 81,387.48 and 29,342.72

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Solution

The fourth proportional to 54,303.68, 81,387.48 and 29,342.72 is: 43,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.68 : 81,387.48 = 29,342.72 : x
  2. Step 2: Convert to fraction form
    54,303.68/81,387.48 = 29,342.72/x
  3. Step 3: Cross multiply
    54,303.68x = 81,387.48 × 29,342.72
  4. Step 4: Simplify right side
    54,303.68x = 2,388,130,037.15
  5. Step 5: Solve for x
    x = 2,388,130,037.15/54,303.68
  6. Step 6: Final answer
    x = 43,977.31

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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.