Home / 51,790.30-77,676.80-14,354.16

Finding the Fourth Proportional to 51,790.30, 77,676.80 and 14,354.16

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Solution

The fourth proportional to 51,790.30, 77,676.80 and 14,354.16 is: 21,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.30 : 77,676.80 = 14,354.16 : x
  2. Step 2: Convert to fraction form
    51,790.30/77,676.80 = 14,354.16/x
  3. Step 3: Cross multiply
    51,790.30x = 77,676.80 × 14,354.16
  4. Step 4: Simplify right side
    51,790.30x = 1,114,984,852.43
  5. Step 5: Solve for x
    x = 1,114,984,852.43/51,790.30
  6. Step 6: Final answer
    x = 21,528.84

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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.