Home / 58,147.22-87,147.68-31,492.16

Finding the Fourth Proportional to 58,147.22, 87,147.68 and 31,492.16

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Solution

The fourth proportional to 58,147.22, 87,147.68 and 31,492.16 is: 47,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,147.22 : 87,147.68 = 31,492.16 : x
  2. Step 2: Convert to fraction form
    58,147.22/87,147.68 = 31,492.16/x
  3. Step 3: Cross multiply
    58,147.22x = 87,147.68 × 31,492.16
  4. Step 4: Simplify right side
    58,147.22x = 2,744,468,325.18
  5. Step 5: Solve for x
    x = 2,744,468,325.18/58,147.22
  6. Step 6: Final answer
    x = 47,198.62

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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.