Home / 55,257.30-82,788.35-53,430.10

Finding the Fourth Proportional to 55,257.30, 82,788.35 and 53,430.10

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Solution

The fourth proportional to 55,257.30, 82,788.35 and 53,430.10 is: 80,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,257.30 : 82,788.35 = 53,430.10 : x
  2. Step 2: Convert to fraction form
    55,257.30/82,788.35 = 53,430.10/x
  3. Step 3: Cross multiply
    55,257.30x = 82,788.35 × 53,430.10
  4. Step 4: Simplify right side
    55,257.30x = 4,423,389,819.34
  5. Step 5: Solve for x
    x = 4,423,389,819.34/55,257.30
  6. Step 6: Final answer
    x = 80,050.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.