Home / 115,531.10-173,150.85-56,239.10

Finding the Fourth Proportional to 115,531.10, 173,150.85 and 56,239.10

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Solution

The fourth proportional to 115,531.10, 173,150.85 and 56,239.10 is: 84,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,531.10 : 173,150.85 = 56,239.10 : x
  2. Step 2: Convert to fraction form
    115,531.10/173,150.85 = 56,239.10/x
  3. Step 3: Cross multiply
    115,531.10x = 173,150.85 × 56,239.10
  4. Step 4: Simplify right side
    115,531.10x = 9,737,847,968.24
  5. Step 5: Solve for x
    x = 9,737,847,968.24/115,531.10
  6. Step 6: Final answer
    x = 84,287.68

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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.