Home / 71,382.34-98,507.46-39,551.32

Finding the Fourth Proportional to 71,382.34, 98,507.46 and 39,551.32

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Solution

The fourth proportional to 71,382.34, 98,507.46 and 39,551.32 is: 54,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,382.34 : 98,507.46 = 39,551.32 : x
  2. Step 2: Convert to fraction form
    71,382.34/98,507.46 = 39,551.32/x
  3. Step 3: Cross multiply
    71,382.34x = 98,507.46 × 39,551.32
  4. Step 4: Simplify right side
    71,382.34x = 3,896,100,072.85
  5. Step 5: Solve for x
    x = 3,896,100,072.85/71,382.34
  6. Step 6: Final answer
    x = 54,580.73

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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.