Home / 125,855.50-173,680.64-69,265.66

Finding the Fourth Proportional to 125,855.50, 173,680.64 and 69,265.66

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Solution

The fourth proportional to 125,855.50, 173,680.64 and 69,265.66 is: 95,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,855.50 : 173,680.64 = 69,265.66 : x
  2. Step 2: Convert to fraction form
    125,855.50/173,680.64 = 69,265.66/x
  3. Step 3: Cross multiply
    125,855.50x = 173,680.64 × 69,265.66
  4. Step 4: Simplify right side
    125,855.50x = 12,030,104,158.82
  5. Step 5: Solve for x
    x = 12,030,104,158.82/125,855.50
  6. Step 6: Final answer
    x = 95,586.64

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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.