Home / 73,686.35-110,437.08-31,516.94

Finding the Fourth Proportional to 73,686.35, 110,437.08 and 31,516.94

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Solution

The fourth proportional to 73,686.35, 110,437.08 and 31,516.94 is: 47,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,686.35 : 110,437.08 = 31,516.94 : x
  2. Step 2: Convert to fraction form
    73,686.35/110,437.08 = 31,516.94/x
  3. Step 3: Cross multiply
    73,686.35x = 110,437.08 × 31,516.94
  4. Step 4: Simplify right side
    73,686.35x = 3,480,638,824.14
  5. Step 5: Solve for x
    x = 3,480,638,824.14/73,686.35
  6. Step 6: Final answer
    x = 47,235.87

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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.