Home / 125,617.27-173,381.64-71,933.11

Finding the Fourth Proportional to 125,617.27, 173,381.64 and 71,933.11

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Solution

The fourth proportional to 125,617.27, 173,381.64 and 71,933.11 is: 99,284.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,617.27 : 173,381.64 = 71,933.11 : x
  2. Step 2: Convert to fraction form
    125,617.27/173,381.64 = 71,933.11/x
  3. Step 3: Cross multiply
    125,617.27x = 173,381.64 × 71,933.11
  4. Step 4: Simplify right side
    125,617.27x = 12,471,880,582.10
  5. Step 5: Solve for x
    x = 12,471,880,582.10/125,617.27
  6. Step 6: Final answer
    x = 99,284.76

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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.