Home / 55,666.44-76,822.56-31,795.74

Finding the Fourth Proportional to 55,666.44, 76,822.56 and 31,795.74

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Solution

The fourth proportional to 55,666.44, 76,822.56 and 31,795.74 is: 43,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.44 : 76,822.56 = 31,795.74 : x
  2. Step 2: Convert to fraction form
    55,666.44/76,822.56 = 31,795.74/x
  3. Step 3: Cross multiply
    55,666.44x = 76,822.56 × 31,795.74
  4. Step 4: Simplify right side
    55,666.44x = 2,442,630,143.89
  5. Step 5: Solve for x
    x = 2,442,630,143.89/55,666.44
  6. Step 6: Final answer
    x = 43,879.76

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1.5x scale

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.