Home / 55,116.72-82,675.08-17,680.68

Finding the Fourth Proportional to 55,116.72, 82,675.08 and 17,680.68

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Solution

The fourth proportional to 55,116.72, 82,675.08 and 17,680.68 is: 26,521.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,116.72 : 82,675.08 = 17,680.68 : x
  2. Step 2: Convert to fraction form
    55,116.72/82,675.08 = 17,680.68/x
  3. Step 3: Cross multiply
    55,116.72x = 82,675.08 × 17,680.68
  4. Step 4: Simplify right side
    55,116.72x = 1,461,751,633.45
  5. Step 5: Solve for x
    x = 1,461,751,633.45/55,116.72
  6. Step 6: Final answer
    x = 26,521.02

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1.5x scale

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.