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Finding the Fourth Proportional to 58,533.80, 87,849.90 and 54,843.23

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Solution

The fourth proportional to 58,533.80, 87,849.90 and 54,843.23 is: 82,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,533.80 : 87,849.90 = 54,843.23 : x
  2. Step 2: Convert to fraction form
    58,533.80/87,849.90 = 54,843.23/x
  3. Step 3: Cross multiply
    58,533.80x = 87,849.90 × 54,843.23
  4. Step 4: Simplify right side
    58,533.80x = 4,817,971,831.93
  5. Step 5: Solve for x
    x = 4,817,971,831.93/58,533.80
  6. Step 6: Final answer
    x = 82,310.94

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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.