Home / 97,735.72-146,509.95-31,132.69

Finding the Fourth Proportional to 97,735.72, 146,509.95 and 31,132.69

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Solution

The fourth proportional to 97,735.72, 146,509.95 and 31,132.69 is: 46,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,735.72 : 146,509.95 = 31,132.69 : x
  2. Step 2: Convert to fraction form
    97,735.72/146,509.95 = 31,132.69/x
  3. Step 3: Cross multiply
    97,735.72x = 146,509.95 × 31,132.69
  4. Step 4: Simplify right side
    97,735.72x = 4,561,248,855.27
  5. Step 5: Solve for x
    x = 4,561,248,855.27/97,735.72
  6. Step 6: Final answer
    x = 46,669.21

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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.