Home / 91,062.24-136,605.84-31,074.64

Finding the Fourth Proportional to 91,062.24, 136,605.84 and 31,074.64

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Solution

The fourth proportional to 91,062.24, 136,605.84 and 31,074.64 is: 46,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,062.24 : 136,605.84 = 31,074.64 : x
  2. Step 2: Convert to fraction form
    91,062.24/136,605.84 = 31,074.64/x
  3. Step 3: Cross multiply
    91,062.24x = 136,605.84 × 31,074.64
  4. Step 4: Simplify right side
    91,062.24x = 4,244,977,299.90
  5. Step 5: Solve for x
    x = 4,244,977,299.90/91,062.24
  6. Step 6: Final answer
    x = 46,616.22

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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.