Home / 125,643.04-173,380.92-69,043.48

Finding the Fourth Proportional to 125,643.04, 173,380.92 and 69,043.48

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Solution

The fourth proportional to 125,643.04, 173,380.92 and 69,043.48 is: 95,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,643.04 : 173,380.92 = 69,043.48 : x
  2. Step 2: Convert to fraction form
    125,643.04/173,380.92 = 69,043.48/x
  3. Step 3: Cross multiply
    125,643.04x = 173,380.92 × 69,043.48
  4. Step 4: Simplify right side
    125,643.04x = 11,970,822,082.40
  5. Step 5: Solve for x
    x = 11,970,822,082.40/125,643.04
  6. Step 6: Final answer
    x = 95,276.44

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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.