Home / 49,394.64-68,223.28-39,357.12

Finding the Fourth Proportional to 49,394.64, 68,223.28 and 39,357.12

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Solution

The fourth proportional to 49,394.64, 68,223.28 and 39,357.12 is: 54,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,394.64 : 68,223.28 = 39,357.12 : x
  2. Step 2: Convert to fraction form
    49,394.64/68,223.28 = 39,357.12/x
  3. Step 3: Cross multiply
    49,394.64x = 68,223.28 × 39,357.12
  4. Step 4: Simplify right side
    49,394.64x = 2,685,071,817.75
  5. Step 5: Solve for x
    x = 2,685,071,817.75/49,394.64
  6. Step 6: Final answer
    x = 54,359.58

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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.