Home / 53,663.34-80,420.13-45,724.62

Finding the Fourth Proportional to 53,663.34, 80,420.13 and 45,724.62

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Solution

The fourth proportional to 53,663.34, 80,420.13 and 45,724.62 is: 68,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,663.34 : 80,420.13 = 45,724.62 : x
  2. Step 2: Convert to fraction form
    53,663.34/80,420.13 = 45,724.62/x
  3. Step 3: Cross multiply
    53,663.34x = 80,420.13 × 45,724.62
  4. Step 4: Simplify right side
    53,663.34x = 3,677,179,884.60
  5. Step 5: Solve for x
    x = 3,677,179,884.60/53,663.34
  6. Step 6: Final answer
    x = 68,523.13

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1.5x scale

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.