Home / 91,029.99-136,552.28-69,713.43

Finding the Fourth Proportional to 91,029.99, 136,552.28 and 69,713.43

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Solution

The fourth proportional to 91,029.99, 136,552.28 and 69,713.43 is: 104,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,029.99 : 136,552.28 = 69,713.43 : x
  2. Step 2: Convert to fraction form
    91,029.99/136,552.28 = 69,713.43/x
  3. Step 3: Cross multiply
    91,029.99x = 136,552.28 × 69,713.43
  4. Step 4: Simplify right side
    91,029.99x = 9,519,527,464.55
  5. Step 5: Solve for x
    x = 9,519,527,464.55/91,029.99
  6. Step 6: Final answer
    x = 104,575.73

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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.