Home / 56,508.52-77,982.06-31,358.02

Finding the Fourth Proportional to 56,508.52, 77,982.06 and 31,358.02

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Solution

The fourth proportional to 56,508.52, 77,982.06 and 31,358.02 is: 43,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,508.52 : 77,982.06 = 31,358.02 : x
  2. Step 2: Convert to fraction form
    56,508.52/77,982.06 = 31,358.02/x
  3. Step 3: Cross multiply
    56,508.52x = 77,982.06 × 31,358.02
  4. Step 4: Simplify right side
    56,508.52x = 2,445,362,997.12
  5. Step 5: Solve for x
    x = 2,445,362,997.12/56,508.52
  6. Step 6: Final answer
    x = 43,274.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.