Home / 52,128.34-78,214.38-22,530.94

Finding the Fourth Proportional to 52,128.34, 78,214.38 and 22,530.94

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Solution

The fourth proportional to 52,128.34, 78,214.38 and 22,530.94 is: 33,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,128.34 : 78,214.38 = 22,530.94 : x
  2. Step 2: Convert to fraction form
    52,128.34/78,214.38 = 22,530.94/x
  3. Step 3: Cross multiply
    52,128.34x = 78,214.38 × 22,530.94
  4. Step 4: Simplify right side
    52,128.34x = 1,762,243,502.92
  5. Step 5: Solve for x
    x = 1,762,243,502.92/52,128.34
  6. Step 6: Final answer
    x = 33,805.86

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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.