Home / 56,464.96-77,922.24-31,316.08

Finding the Fourth Proportional to 56,464.96, 77,922.24 and 31,316.08

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Solution

The fourth proportional to 56,464.96, 77,922.24 and 31,316.08 is: 43,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,464.96 : 77,922.24 = 31,316.08 : x
  2. Step 2: Convert to fraction form
    56,464.96/77,922.24 = 31,316.08/x
  3. Step 3: Cross multiply
    56,464.96x = 77,922.24 × 31,316.08
  4. Step 4: Simplify right side
    56,464.96x = 2,440,219,101.62
  5. Step 5: Solve for x
    x = 2,440,219,101.62/56,464.96
  6. Step 6: Final answer
    x = 43,216.52

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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.