Home / 71,068.16-98,073.46-39,236.38

Finding the Fourth Proportional to 71,068.16, 98,073.46 and 39,236.38

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Solution

The fourth proportional to 71,068.16, 98,073.46 and 39,236.38 is: 54,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,068.16 : 98,073.46 = 39,236.38 : x
  2. Step 2: Convert to fraction form
    71,068.16/98,073.46 = 39,236.38/x
  3. Step 3: Cross multiply
    71,068.16x = 98,073.46 × 39,236.38
  4. Step 4: Simplify right side
    71,068.16x = 3,848,046,857.93
  5. Step 5: Solve for x
    x = 3,848,046,857.93/71,068.16
  6. Step 6: Final answer
    x = 54,145.86

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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.