Home / 65,837.44-90,673.32-56,882.08

Finding the Fourth Proportional to 65,837.44, 90,673.32 and 56,882.08

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Solution

The fourth proportional to 65,837.44, 90,673.32 and 56,882.08 is: 78,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,837.44 : 90,673.32 = 56,882.08 : x
  2. Step 2: Convert to fraction form
    65,837.44/90,673.32 = 56,882.08/x
  3. Step 3: Cross multiply
    65,837.44x = 90,673.32 × 56,882.08
  4. Step 4: Simplify right side
    65,837.44x = 5,157,687,042.11
  5. Step 5: Solve for x
    x = 5,157,687,042.11/65,837.44
  6. Step 6: Final answer
    x = 78,339.73

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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.