Home / 125,771.40-173,555.06-69,186.42

Finding the Fourth Proportional to 125,771.40, 173,555.06 and 69,186.42

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Solution

The fourth proportional to 125,771.40, 173,555.06 and 69,186.42 is: 95,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,771.40 : 173,555.06 = 69,186.42 : x
  2. Step 2: Convert to fraction form
    125,771.40/173,555.06 = 69,186.42/x
  3. Step 3: Cross multiply
    125,771.40x = 173,555.06 × 69,186.42
  4. Step 4: Simplify right side
    125,771.40x = 12,007,652,928.35
  5. Step 5: Solve for x
    x = 12,007,652,928.35/125,771.40
  6. Step 6: Final answer
    x = 95,472.05

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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.