Home / 97,669.77-146,509.11-31,103.64

Finding the Fourth Proportional to 97,669.77, 146,509.11 and 31,103.64

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Solution

The fourth proportional to 97,669.77, 146,509.11 and 31,103.64 is: 46,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,669.77 : 146,509.11 = 31,103.64 : x
  2. Step 2: Convert to fraction form
    97,669.77/146,509.11 = 31,103.64/x
  3. Step 3: Cross multiply
    97,669.77x = 146,509.11 × 31,103.64
  4. Step 4: Simplify right side
    97,669.77x = 4,556,966,614.16
  5. Step 5: Solve for x
    x = 4,556,966,614.16/97,669.77
  6. Step 6: Final answer
    x = 46,656.88

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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.