Home / 54,290.09-74,935.29-38,160.96

Finding the Fourth Proportional to 54,290.09, 74,935.29 and 38,160.96

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Solution

The fourth proportional to 54,290.09, 74,935.29 and 38,160.96 is: 52,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290.09 : 74,935.29 = 38,160.96 : x
  2. Step 2: Convert to fraction form
    54,290.09/74,935.29 = 38,160.96/x
  3. Step 3: Cross multiply
    54,290.09x = 74,935.29 × 38,160.96
  4. Step 4: Simplify right side
    54,290.09x = 2,859,602,604.28
  5. Step 5: Solve for x
    x = 2,859,602,604.28/54,290.09
  6. Step 6: Final answer
    x = 52,672.64

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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.