Home / 55,438.92-76,586.66-47,973.96

Finding the Fourth Proportional to 55,438.92, 76,586.66 and 47,973.96

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Solution

The fourth proportional to 55,438.92, 76,586.66 and 47,973.96 is: 66,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,438.92 : 76,586.66 = 47,973.96 : x
  2. Step 2: Convert to fraction form
    55,438.92/76,586.66 = 47,973.96/x
  3. Step 3: Cross multiply
    55,438.92x = 76,586.66 × 47,973.96
  4. Step 4: Simplify right side
    55,438.92x = 3,674,165,363.37
  5. Step 5: Solve for x
    x = 3,674,165,363.37/55,438.92
  6. Step 6: Final answer
    x = 66,274.12

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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.