Home / 58,200.36-87,305.94-18,748.20

Finding the Fourth Proportional to 58,200.36, 87,305.94 and 18,748.20

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Solution

The fourth proportional to 58,200.36, 87,305.94 and 18,748.20 is: 28,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,200.36 : 87,305.94 = 18,748.20 : x
  2. Step 2: Convert to fraction form
    58,200.36/87,305.94 = 18,748.20/x
  3. Step 3: Cross multiply
    58,200.36x = 87,305.94 × 18,748.20
  4. Step 4: Simplify right side
    58,200.36x = 1,636,829,224.31
  5. Step 5: Solve for x
    x = 1,636,829,224.31/58,200.36
  6. Step 6: Final answer
    x = 28,124.04

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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.