Home / 58,140.48-87,207.99-34,138.16

Finding the Fourth Proportional to 58,140.48, 87,207.99 and 34,138.16

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Solution

The fourth proportional to 58,140.48, 87,207.99 and 34,138.16 is: 51,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,140.48 : 87,207.99 = 34,138.16 : x
  2. Step 2: Convert to fraction form
    58,140.48/87,207.99 = 34,138.16/x
  3. Step 3: Cross multiply
    58,140.48x = 87,207.99 × 34,138.16
  4. Step 4: Simplify right side
    58,140.48x = 2,977,120,270.90
  5. Step 5: Solve for x
    x = 2,977,120,270.90/58,140.48
  6. Step 6: Final answer
    x = 51,205.63

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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.