Home / 97,640.20-146,417.10-45,022.60

Finding the Fourth Proportional to 97,640.20, 146,417.10 and 45,022.60

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Solution

The fourth proportional to 97,640.20, 146,417.10 and 45,022.60 is: 67,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,640.20 : 146,417.10 = 45,022.60 : x
  2. Step 2: Convert to fraction form
    97,640.20/146,417.10 = 45,022.60/x
  3. Step 3: Cross multiply
    97,640.20x = 146,417.10 × 45,022.60
  4. Step 4: Simplify right side
    97,640.20x = 6,592,078,526.46
  5. Step 5: Solve for x
    x = 6,592,078,526.46/97,640.20
  6. Step 6: Final answer
    x = 67,513.98

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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.