Home / 55,140.30-82,702.62-17,695.52

Finding the Fourth Proportional to 55,140.30, 82,702.62 and 17,695.52

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Solution

The fourth proportional to 55,140.30, 82,702.62 and 17,695.52 is: 26,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140.30 : 82,702.62 = 17,695.52 : x
  2. Step 2: Convert to fraction form
    55,140.30/82,702.62 = 17,695.52/x
  3. Step 3: Cross multiply
    55,140.30x = 82,702.62 × 17,695.52
  4. Step 4: Simplify right side
    55,140.30x = 1,463,465,637.39
  5. Step 5: Solve for x
    x = 1,463,465,637.39/55,140.30
  6. Step 6: Final answer
    x = 26,540.76

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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.