Home / 102,847.09-141,927.11-58,135.09

Finding the Fourth Proportional to 102,847.09, 141,927.11 and 58,135.09

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Solution

The fourth proportional to 102,847.09, 141,927.11 and 58,135.09 is: 80,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.09 : 141,927.11 = 58,135.09 : x
  2. Step 2: Convert to fraction form
    102,847.09/141,927.11 = 58,135.09/x
  3. Step 3: Cross multiply
    102,847.09x = 141,927.11 × 58,135.09
  4. Step 4: Simplify right side
    102,847.09x = 8,250,945,022.61
  5. Step 5: Solve for x
    x = 8,250,945,022.61/102,847.09
  6. Step 6: Final answer
    x = 80,225.36

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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.