Home / 106,420.50-146,858.67-58,672.62

Finding the Fourth Proportional to 106,420.50, 146,858.67 and 58,672.62

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Solution

The fourth proportional to 106,420.50, 146,858.67 and 58,672.62 is: 80,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,420.50 : 146,858.67 = 58,672.62 : x
  2. Step 2: Convert to fraction form
    106,420.50/146,858.67 = 58,672.62/x
  3. Step 3: Cross multiply
    106,420.50x = 146,858.67 × 58,672.62
  4. Step 4: Simplify right side
    106,420.50x = 8,616,582,938.62
  5. Step 5: Solve for x
    x = 8,616,582,938.62/106,420.50
  6. Step 6: Final answer
    x = 80,967.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.