Home / 97,555.86-146,323.26-66,167.28

Finding the Fourth Proportional to 97,555.86, 146,323.26 and 66,167.28

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Solution

The fourth proportional to 97,555.86, 146,323.26 and 66,167.28 is: 99,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,555.86 : 146,323.26 = 66,167.28 : x
  2. Step 2: Convert to fraction form
    97,555.86/146,323.26 = 66,167.28/x
  3. Step 3: Cross multiply
    97,555.86x = 146,323.26 × 66,167.28
  4. Step 4: Simplify right side
    97,555.86x = 9,681,812,114.93
  5. Step 5: Solve for x
    x = 9,681,812,114.93/97,555.86
  6. Step 6: Final answer
    x = 99,243.78

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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.