Home / 117,369.12-176,016.84-38,465.76

Finding the Fourth Proportional to 117,369.12, 176,016.84 and 38,465.76

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Solution

The fourth proportional to 117,369.12, 176,016.84 and 38,465.76 is: 57,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,369.12 : 176,016.84 = 38,465.76 : x
  2. Step 2: Convert to fraction form
    117,369.12/176,016.84 = 38,465.76/x
  3. Step 3: Cross multiply
    117,369.12x = 176,016.84 × 38,465.76
  4. Step 4: Simplify right side
    117,369.12x = 6,770,621,523.40
  5. Step 5: Solve for x
    x = 6,770,621,523.40/117,369.12
  6. Step 6: Final answer
    x = 57,686.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.