Home / 102,950.24-142,073.73-57,627.09

Finding the Fourth Proportional to 102,950.24, 142,073.73 and 57,627.09

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Solution

The fourth proportional to 102,950.24, 142,073.73 and 57,627.09 is: 79,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,950.24 : 142,073.73 = 57,627.09 : x
  2. Step 2: Convert to fraction form
    102,950.24/142,073.73 = 57,627.09/x
  3. Step 3: Cross multiply
    102,950.24x = 142,073.73 × 57,627.09
  4. Step 4: Simplify right side
    102,950.24x = 8,187,295,625.35
  5. Step 5: Solve for x
    x = 8,187,295,625.35/102,950.24
  6. Step 6: Final answer
    x = 79,526.73

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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.