Home / 73,686.36-110,437.07-31,516.86

Finding the Fourth Proportional to 73,686.36, 110,437.07 and 31,516.86

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Solution

The fourth proportional to 73,686.36, 110,437.07 and 31,516.86 is: 47,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,686.36 : 110,437.07 = 31,516.86 : x
  2. Step 2: Convert to fraction form
    73,686.36/110,437.07 = 31,516.86/x
  3. Step 3: Cross multiply
    73,686.36x = 110,437.07 × 31,516.86
  4. Step 4: Simplify right side
    73,686.36x = 3,480,629,516.42
  5. Step 5: Solve for x
    x = 3,480,629,516.42/73,686.36
  6. Step 6: Final answer
    x = 47,235.74

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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.