Home / 56,047.48-77,346.38-30,553.86

Finding the Fourth Proportional to 56,047.48, 77,346.38 and 30,553.86

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Solution

The fourth proportional to 56,047.48, 77,346.38 and 30,553.86 is: 42,164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,047.48 : 77,346.38 = 30,553.86 : x
  2. Step 2: Convert to fraction form
    56,047.48/77,346.38 = 30,553.86/x
  3. Step 3: Cross multiply
    56,047.48x = 77,346.38 × 30,553.86
  4. Step 4: Simplify right side
    56,047.48x = 2,363,230,466.03
  5. Step 5: Solve for x
    x = 2,363,230,466.03/56,047.48
  6. Step 6: Final answer
    x = 42,164.79

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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.