Home / 73,302.36-109,953.81-31,176.42

Finding the Fourth Proportional to 73,302.36, 109,953.81 and 31,176.42

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Solution

The fourth proportional to 73,302.36, 109,953.81 and 31,176.42 is: 46,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,302.36 : 109,953.81 = 31,176.42 : x
  2. Step 2: Convert to fraction form
    73,302.36/109,953.81 = 31,176.42/x
  3. Step 3: Cross multiply
    73,302.36x = 109,953.81 × 31,176.42
  4. Step 4: Simplify right side
    73,302.36x = 3,427,966,161.16
  5. Step 5: Solve for x
    x = 3,427,966,161.16/73,302.36
  6. Step 6: Final answer
    x = 46,764.74

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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.