Home / 55,041.60-75,956.16-29,890.56

Finding the Fourth Proportional to 55,041.60, 75,956.16 and 29,890.56

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Solution

The fourth proportional to 55,041.60, 75,956.16 and 29,890.56 is: 41,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,041.60 : 75,956.16 = 29,890.56 : x
  2. Step 2: Convert to fraction form
    55,041.60/75,956.16 = 29,890.56/x
  3. Step 3: Cross multiply
    55,041.60x = 75,956.16 × 29,890.56
  4. Step 4: Simplify right side
    55,041.60x = 2,270,372,157.85
  5. Step 5: Solve for x
    x = 2,270,372,157.85/55,041.60
  6. Step 6: Final answer
    x = 41,248.30

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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.