Home / 51,720.55-77,508.51-27,976.84

Finding the Fourth Proportional to 51,720.55, 77,508.51 and 27,976.84

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Solution

The fourth proportional to 51,720.55, 77,508.51 and 27,976.84 is: 41,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,720.55 : 77,508.51 = 27,976.84 : x
  2. Step 2: Convert to fraction form
    51,720.55/77,508.51 = 27,976.84/x
  3. Step 3: Cross multiply
    51,720.55x = 77,508.51 × 27,976.84
  4. Step 4: Simplify right side
    51,720.55x = 2,168,443,182.91
  5. Step 5: Solve for x
    x = 2,168,443,182.91/51,720.55
  6. Step 6: Final answer
    x = 41,926.14

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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.