Home / 102,622.20-141,617.30-57,300.96

Finding the Fourth Proportional to 102,622.20, 141,617.30 and 57,300.96

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Solution

The fourth proportional to 102,622.20, 141,617.30 and 57,300.96 is: 79,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,622.20 : 141,617.30 = 57,300.96 : x
  2. Step 2: Convert to fraction form
    102,622.20/141,617.30 = 57,300.96/x
  3. Step 3: Cross multiply
    102,622.20x = 141,617.30 × 57,300.96
  4. Step 4: Simplify right side
    102,622.20x = 8,114,807,242.61
  5. Step 5: Solve for x
    x = 8,114,807,242.61/102,622.20
  6. Step 6: Final answer
    x = 79,074.58

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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.