Home / 56,477.52-77,939.06-31,327.02

Finding the Fourth Proportional to 56,477.52, 77,939.06 and 31,327.02

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Solution

The fourth proportional to 56,477.52, 77,939.06 and 31,327.02 is: 43,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477.52 : 77,939.06 = 31,327.02 : x
  2. Step 2: Convert to fraction form
    56,477.52/77,939.06 = 31,327.02/x
  3. Step 3: Cross multiply
    56,477.52x = 77,939.06 × 31,327.02
  4. Step 4: Simplify right side
    56,477.52x = 2,441,598,334.77
  5. Step 5: Solve for x
    x = 2,441,598,334.77/56,477.52
  6. Step 6: Final answer
    x = 43,231.33

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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.