Home / 85,914-118,561.39-48,188.25

Finding the Fourth Proportional to 85,914, 118,561.39 and 48,188.25

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Solution

The fourth proportional to 85,914, 118,561.39 and 48,188.25 is: 66,499.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,914 : 118,561.39 = 48,188.25 : x
  2. Step 2: Convert to fraction form
    85,914/118,561.39 = 48,188.25/x
  3. Step 3: Cross multiply
    85,914x = 118,561.39 × 48,188.25
  4. Step 4: Simplify right side
    85,914x = 5,713,265,781.20
  5. Step 5: Solve for x
    x = 5,713,265,781.20/85,914
  6. Step 6: Final answer
    x = 66,499.82

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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.