Home / 51,853.40-77,746.60-28,473.56

Finding the Fourth Proportional to 51,853.40, 77,746.60 and 28,473.56

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Solution

The fourth proportional to 51,853.40, 77,746.60 and 28,473.56 is: 42,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.40 : 77,746.60 = 28,473.56 : x
  2. Step 2: Convert to fraction form
    51,853.40/77,746.60 = 28,473.56/x
  3. Step 3: Cross multiply
    51,853.40x = 77,746.60 × 28,473.56
  4. Step 4: Simplify right side
    51,853.40x = 2,213,722,479.90
  5. Step 5: Solve for x
    x = 2,213,722,479.90/51,853.40
  6. Step 6: Final answer
    x = 42,691.94

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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.