Home / 55,231.68-76,226.58-31,366.02

Finding the Fourth Proportional to 55,231.68, 76,226.58 and 31,366.02

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Solution

The fourth proportional to 55,231.68, 76,226.58 and 31,366.02 is: 43,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,231.68 : 76,226.58 = 31,366.02 : x
  2. Step 2: Convert to fraction form
    55,231.68/76,226.58 = 31,366.02/x
  3. Step 3: Cross multiply
    55,231.68x = 76,226.58 × 31,366.02
  4. Step 4: Simplify right side
    55,231.68x = 2,390,924,432.81
  5. Step 5: Solve for x
    x = 2,390,924,432.81/55,231.68
  6. Step 6: Final answer
    x = 43,289.00

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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.