Home / 91,190.10-125,899.24-58,941.60

Finding the Fourth Proportional to 91,190.10, 125,899.24 and 58,941.60

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Solution

The fourth proportional to 91,190.10, 125,899.24 and 58,941.60 is: 81,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,190.10 : 125,899.24 = 58,941.60 : x
  2. Step 2: Convert to fraction form
    91,190.10/125,899.24 = 58,941.60/x
  3. Step 3: Cross multiply
    91,190.10x = 125,899.24 × 58,941.60
  4. Step 4: Simplify right side
    91,190.10x = 7,420,702,644.38
  5. Step 5: Solve for x
    x = 7,420,702,644.38/91,190.10
  6. Step 6: Final answer
    x = 81,376.19

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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.