Home / 49,458.08-68,261.77-38,681.57

Finding the Fourth Proportional to 49,458.08, 68,261.77 and 38,681.57

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Solution

The fourth proportional to 49,458.08, 68,261.77 and 38,681.57 is: 53,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,458.08 : 68,261.77 = 38,681.57 : x
  2. Step 2: Convert to fraction form
    49,458.08/68,261.77 = 38,681.57/x
  3. Step 3: Cross multiply
    49,458.08x = 68,261.77 × 38,681.57
  4. Step 4: Simplify right side
    49,458.08x = 2,640,472,653.59
  5. Step 5: Solve for x
    x = 2,640,472,653.59/49,458.08
  6. Step 6: Final answer
    x = 53,388.09

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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.