Home / 54,743.70-75,443.08-39,610.74

Finding the Fourth Proportional to 54,743.70, 75,443.08 and 39,610.74

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Solution

The fourth proportional to 54,743.70, 75,443.08 and 39,610.74 is: 54,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.70 : 75,443.08 = 39,610.74 : x
  2. Step 2: Convert to fraction form
    54,743.70/75,443.08 = 39,610.74/x
  3. Step 3: Cross multiply
    54,743.70x = 75,443.08 × 39,610.74
  4. Step 4: Simplify right side
    54,743.70x = 2,988,356,226.68
  5. Step 5: Solve for x
    x = 2,988,356,226.68/54,743.70
  6. Step 6: Final answer
    x = 54,588.13

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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.