Home / 125,263.50-172,863.66-68,675.28

Finding the Fourth Proportional to 125,263.50, 172,863.66 and 68,675.28

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Solution

The fourth proportional to 125,263.50, 172,863.66 and 68,675.28 is: 94,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,263.50 : 172,863.66 = 68,675.28 : x
  2. Step 2: Convert to fraction form
    125,263.50/172,863.66 = 68,675.28/x
  3. Step 3: Cross multiply
    125,263.50x = 172,863.66 × 68,675.28
  4. Step 4: Simplify right side
    125,263.50x = 11,871,460,252.32
  5. Step 5: Solve for x
    x = 11,871,460,252.32/125,263.50
  6. Step 6: Final answer
    x = 94,771.90

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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.