Home / 115,503.12-173,088.80-68,006.04

Finding the Fourth Proportional to 115,503.12, 173,088.80 and 68,006.04

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Solution

The fourth proportional to 115,503.12, 173,088.80 and 68,006.04 is: 101,911.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,503.12 : 173,088.80 = 68,006.04 : x
  2. Step 2: Convert to fraction form
    115,503.12/173,088.80 = 68,006.04/x
  3. Step 3: Cross multiply
    115,503.12x = 173,088.80 × 68,006.04
  4. Step 4: Simplify right side
    115,503.12x = 11,771,083,856.35
  5. Step 5: Solve for x
    x = 11,771,083,856.35/115,503.12
  6. Step 6: Final answer
    x = 101,911.39

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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.