Home / 55,586.12-76,719.72-43,462.64

Finding the Fourth Proportional to 55,586.12, 76,719.72 and 43,462.64

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Solution

The fourth proportional to 55,586.12, 76,719.72 and 43,462.64 is: 59,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586.12 : 76,719.72 = 43,462.64 : x
  2. Step 2: Convert to fraction form
    55,586.12/76,719.72 = 43,462.64/x
  3. Step 3: Cross multiply
    55,586.12x = 76,719.72 × 43,462.64
  4. Step 4: Simplify right side
    55,586.12x = 3,334,441,926.05
  5. Step 5: Solve for x
    x = 3,334,441,926.05/55,586.12
  6. Step 6: Final answer
    x = 59,986.96

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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.