Home / 97,683.40-146,525.10-89,129.80

Finding the Fourth Proportional to 97,683.40, 146,525.10 and 89,129.80

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Solution

The fourth proportional to 97,683.40, 146,525.10 and 89,129.80 is: 133,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,683.40 : 146,525.10 = 89,129.80 : x
  2. Step 2: Convert to fraction form
    97,683.40/146,525.10 = 89,129.80/x
  3. Step 3: Cross multiply
    97,683.40x = 146,525.10 × 89,129.80
  4. Step 4: Simplify right side
    97,683.40x = 13,059,752,857.98
  5. Step 5: Solve for x
    x = 13,059,752,857.98/97,683.40
  6. Step 6: Final answer
    x = 133,694.70

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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.