Home / 58,817.20-87,982.80-53,626.72

Finding the Fourth Proportional to 58,817.20, 87,982.80 and 53,626.72

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Solution

The fourth proportional to 58,817.20, 87,982.80 and 53,626.72 is: 80,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,817.20 : 87,982.80 = 53,626.72 : x
  2. Step 2: Convert to fraction form
    58,817.20/87,982.80 = 53,626.72/x
  3. Step 3: Cross multiply
    58,817.20x = 87,982.80 × 53,626.72
  4. Step 4: Simplify right side
    58,817.20x = 4,718,228,980.42
  5. Step 5: Solve for x
    x = 4,718,228,980.42/58,817.20
  6. Step 6: Final answer
    x = 80,218.52

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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.