Home / 60,428.06-90,672.80-27,141.33

Finding the Fourth Proportional to 60,428.06, 90,672.80 and 27,141.33

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Solution

The fourth proportional to 60,428.06, 90,672.80 and 27,141.33 is: 40,725.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428.06 : 90,672.80 = 27,141.33 : x
  2. Step 2: Convert to fraction form
    60,428.06/90,672.80 = 27,141.33/x
  3. Step 3: Cross multiply
    60,428.06x = 90,672.80 × 27,141.33
  4. Step 4: Simplify right side
    60,428.06x = 2,460,980,251.12
  5. Step 5: Solve for x
    x = 2,460,980,251.12/60,428.06
  6. Step 6: Final answer
    x = 40,725.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.