Home / 56,784.23-77,794.75-54,656.02

Finding the Fourth Proportional to 56,784.23, 77,794.75 and 54,656.02

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Solution

The fourth proportional to 56,784.23, 77,794.75 and 54,656.02 is: 74,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,784.23 : 77,794.75 = 54,656.02 : x
  2. Step 2: Convert to fraction form
    56,784.23/77,794.75 = 54,656.02/x
  3. Step 3: Cross multiply
    56,784.23x = 77,794.75 × 54,656.02
  4. Step 4: Simplify right side
    56,784.23x = 4,251,951,411.90
  5. Step 5: Solve for x
    x = 4,251,951,411.90/56,784.23
  6. Step 6: Final answer
    x = 74,879.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.