Home / 54,133.59-74,708.69-31,170.59

Finding the Fourth Proportional to 54,133.59, 74,708.69 and 31,170.59

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Solution

The fourth proportional to 54,133.59, 74,708.69 and 31,170.59 is: 43,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,133.59 : 74,708.69 = 31,170.59 : x
  2. Step 2: Convert to fraction form
    54,133.59/74,708.69 = 31,170.59/x
  3. Step 3: Cross multiply
    54,133.59x = 74,708.69 × 31,170.59
  4. Step 4: Simplify right side
    54,133.59x = 2,328,713,416.03
  5. Step 5: Solve for x
    x = 2,328,713,416.03/54,133.59
  6. Step 6: Final answer
    x = 43,017.90

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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.