Home / 97,622.20-146,390.10-45,047.80

Finding the Fourth Proportional to 97,622.20, 146,390.10 and 45,047.80

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Solution

The fourth proportional to 97,622.20, 146,390.10 and 45,047.80 is: 67,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,622.20 : 146,390.10 = 45,047.80 : x
  2. Step 2: Convert to fraction form
    97,622.20/146,390.10 = 45,047.80/x
  3. Step 3: Cross multiply
    97,622.20x = 146,390.10 × 45,047.80
  4. Step 4: Simplify right side
    97,622.20x = 6,594,551,946.78
  5. Step 5: Solve for x
    x = 6,594,551,946.78/97,622.20
  6. Step 6: Final answer
    x = 67,551.77

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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.