Home / 125,423.04-173,083.32-68,834.28

Finding the Fourth Proportional to 125,423.04, 173,083.32 and 68,834.28

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Solution

The fourth proportional to 125,423.04, 173,083.32 and 68,834.28 is: 94,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,423.04 : 173,083.32 = 68,834.28 : x
  2. Step 2: Convert to fraction form
    125,423.04/173,083.32 = 68,834.28/x
  3. Step 3: Cross multiply
    125,423.04x = 173,083.32 × 68,834.28
  4. Step 4: Simplify right side
    125,423.04x = 11,914,065,712.21
  5. Step 5: Solve for x
    x = 11,914,065,712.21/125,423.04
  6. Step 6: Final answer
    x = 94,991.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.