Home / 125,406.08-173,060.72-71,692.55

Finding the Fourth Proportional to 125,406.08, 173,060.72 and 71,692.55

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Solution

The fourth proportional to 125,406.08, 173,060.72 and 71,692.55 is: 98,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,406.08 : 173,060.72 = 71,692.55 : x
  2. Step 2: Convert to fraction form
    125,406.08/173,060.72 = 71,692.55/x
  3. Step 3: Cross multiply
    125,406.08x = 173,060.72 × 71,692.55
  4. Step 4: Simplify right side
    125,406.08x = 12,407,164,321.64
  5. Step 5: Solve for x
    x = 12,407,164,321.64/125,406.08
  6. Step 6: Final answer
    x = 98,935.91

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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.