Home / 97,688.42-146,531.03-31,127.65

Finding the Fourth Proportional to 97,688.42, 146,531.03 and 31,127.65

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Solution

The fourth proportional to 97,688.42, 146,531.03 and 31,127.65 is: 46,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,688.42 : 146,531.03 = 31,127.65 : x
  2. Step 2: Convert to fraction form
    97,688.42/146,531.03 = 31,127.65/x
  3. Step 3: Cross multiply
    97,688.42x = 146,531.03 × 31,127.65
  4. Step 4: Simplify right side
    97,688.42x = 4,561,166,615.98
  5. Step 5: Solve for x
    x = 4,561,166,615.98/97,688.42
  6. Step 6: Final answer
    x = 46,690.97

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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.