Home / 54,348.49-74,969.07-34,173.40

Finding the Fourth Proportional to 54,348.49, 74,969.07 and 34,173.40

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Solution

The fourth proportional to 54,348.49, 74,969.07 and 34,173.40 is: 47,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,348.49 : 74,969.07 = 34,173.40 : x
  2. Step 2: Convert to fraction form
    54,348.49/74,969.07 = 34,173.40/x
  3. Step 3: Cross multiply
    54,348.49x = 74,969.07 × 34,173.40
  4. Step 4: Simplify right side
    54,348.49x = 2,561,948,016.74
  5. Step 5: Solve for x
    x = 2,561,948,016.74/54,348.49
  6. Step 6: Final answer
    x = 47,139.27

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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.