Home / 54,637.79-75,402.68-33,128.19

Finding the Fourth Proportional to 54,637.79, 75,402.68 and 33,128.19

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Solution

The fourth proportional to 54,637.79, 75,402.68 and 33,128.19 is: 45,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,637.79 : 75,402.68 = 33,128.19 : x
  2. Step 2: Convert to fraction form
    54,637.79/75,402.68 = 33,128.19/x
  3. Step 3: Cross multiply
    54,637.79x = 75,402.68 × 33,128.19
  4. Step 4: Simplify right side
    54,637.79x = 2,497,954,143.91
  5. Step 5: Solve for x
    x = 2,497,954,143.91/54,637.79
  6. Step 6: Final answer
    x = 45,718.44

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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.