Home / 45,779.16-68,665.86-17,687.64

Finding the Fourth Proportional to 45,779.16, 68,665.86 and 17,687.64

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Solution

The fourth proportional to 45,779.16, 68,665.86 and 17,687.64 is: 26,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,779.16 : 68,665.86 = 17,687.64 : x
  2. Step 2: Convert to fraction form
    45,779.16/68,665.86 = 17,687.64/x
  3. Step 3: Cross multiply
    45,779.16x = 68,665.86 × 17,687.64
  4. Step 4: Simplify right side
    45,779.16x = 1,214,537,011.97
  5. Step 5: Solve for x
    x = 1,214,537,011.97/45,779.16
  6. Step 6: Final answer
    x = 26,530.35

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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.