Home / 58,659.10-87,986.98-28,257.38

Finding the Fourth Proportional to 58,659.10, 87,986.98 and 28,257.38

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Solution

The fourth proportional to 58,659.10, 87,986.98 and 28,257.38 is: 42,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,659.10 : 87,986.98 = 28,257.38 : x
  2. Step 2: Convert to fraction form
    58,659.10/87,986.98 = 28,257.38/x
  3. Step 3: Cross multiply
    58,659.10x = 87,986.98 × 28,257.38
  4. Step 4: Simplify right side
    58,659.10x = 2,486,281,528.91
  5. Step 5: Solve for x
    x = 2,486,281,528.91/58,659.10
  6. Step 6: Final answer
    x = 42,385.27

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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.