Home / 91,033.25-136,549.87-59,861.21

Finding the Fourth Proportional to 91,033.25, 136,549.87 and 59,861.21

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Solution

The fourth proportional to 91,033.25, 136,549.87 and 59,861.21 is: 89,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,033.25 : 136,549.87 = 59,861.21 : x
  2. Step 2: Convert to fraction form
    91,033.25/136,549.87 = 59,861.21/x
  3. Step 3: Cross multiply
    91,033.25x = 136,549.87 × 59,861.21
  4. Step 4: Simplify right side
    91,033.25x = 8,174,039,611.14
  5. Step 5: Solve for x
    x = 8,174,039,611.14/91,033.25
  6. Step 6: Final answer
    x = 89,791.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.