Home / 115,829.10-173,840.85-56,715.30

Finding the Fourth Proportional to 115,829.10, 173,840.85 and 56,715.30

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Solution

The fourth proportional to 115,829.10, 173,840.85 and 56,715.30 is: 85,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,829.10 : 173,840.85 = 56,715.30 : x
  2. Step 2: Convert to fraction form
    115,829.10/173,840.85 = 56,715.30/x
  3. Step 3: Cross multiply
    115,829.10x = 173,840.85 × 56,715.30
  4. Step 4: Simplify right side
    115,829.10x = 9,859,435,960.01
  5. Step 5: Solve for x
    x = 9,859,435,960.01/115,829.10
  6. Step 6: Final answer
    x = 85,120.54

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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.