Home / 91,005.21-125,590.82-50,718.60

Finding the Fourth Proportional to 91,005.21, 125,590.82 and 50,718.60

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Solution

The fourth proportional to 91,005.21, 125,590.82 and 50,718.60 is: 69,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,005.21 : 125,590.82 = 50,718.60 : x
  2. Step 2: Convert to fraction form
    91,005.21/125,590.82 = 50,718.60/x
  3. Step 3: Cross multiply
    91,005.21x = 125,590.82 × 50,718.60
  4. Step 4: Simplify right side
    91,005.21x = 6,369,790,309.66
  5. Step 5: Solve for x
    x = 6,369,790,309.66/91,005.21
  6. Step 6: Final answer
    x = 69,993.69

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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.