Home / 49,863.49-68,837.01-38,507.49

Finding the Fourth Proportional to 49,863.49, 68,837.01 and 38,507.49

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Solution

The fourth proportional to 49,863.49, 68,837.01 and 38,507.49 is: 53,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,863.49 : 68,837.01 = 38,507.49 : x
  2. Step 2: Convert to fraction form
    49,863.49/68,837.01 = 38,507.49/x
  3. Step 3: Cross multiply
    49,863.49x = 68,837.01 × 38,507.49
  4. Step 4: Simplify right side
    49,863.49x = 2,650,740,474.20
  5. Step 5: Solve for x
    x = 2,650,740,474.20/49,863.49
  6. Step 6: Final answer
    x = 53,159.95

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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.