Home / 54,103.44-74,543.94-40,434.24

Finding the Fourth Proportional to 54,103.44, 74,543.94 and 40,434.24

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Solution

The fourth proportional to 54,103.44, 74,543.94 and 40,434.24 is: 55,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.44 : 74,543.94 = 40,434.24 : x
  2. Step 2: Convert to fraction form
    54,103.44/74,543.94 = 40,434.24/x
  3. Step 3: Cross multiply
    54,103.44x = 74,543.94 × 40,434.24
  4. Step 4: Simplify right side
    54,103.44x = 3,014,127,560.51
  5. Step 5: Solve for x
    x = 3,014,127,560.51/54,103.44
  6. Step 6: Final answer
    x = 55,710.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.