Home / 75,242.36-103,867.86-48,054.04

Finding the Fourth Proportional to 75,242.36, 103,867.86 and 48,054.04

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Solution

The fourth proportional to 75,242.36, 103,867.86 and 48,054.04 is: 66,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,242.36 : 103,867.86 = 48,054.04 : x
  2. Step 2: Convert to fraction form
    75,242.36/103,867.86 = 48,054.04/x
  3. Step 3: Cross multiply
    75,242.36x = 103,867.86 × 48,054.04
  4. Step 4: Simplify right side
    75,242.36x = 4,991,270,299.15
  5. Step 5: Solve for x
    x = 4,991,270,299.15/75,242.36
  6. Step 6: Final answer
    x = 66,335.91

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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.