Home / 125,688.82-173,446.14-69,099.76

Finding the Fourth Proportional to 125,688.82, 173,446.14 and 69,099.76

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Solution

The fourth proportional to 125,688.82, 173,446.14 and 69,099.76 is: 95,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,688.82 : 173,446.14 = 69,099.76 : x
  2. Step 2: Convert to fraction form
    125,688.82/173,446.14 = 69,099.76/x
  3. Step 3: Cross multiply
    125,688.82x = 173,446.14 × 69,099.76
  4. Step 4: Simplify right side
    125,688.82x = 11,985,086,646.93
  5. Step 5: Solve for x
    x = 11,985,086,646.93/125,688.82
  6. Step 6: Final answer
    x = 95,355.23

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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.