Home / 45,439.48-62,736.96-40,644.46

Finding the Fourth Proportional to 45,439.48, 62,736.96 and 40,644.46

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Solution

The fourth proportional to 45,439.48, 62,736.96 and 40,644.46 is: 56,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.48 : 62,736.96 = 40,644.46 : x
  2. Step 2: Convert to fraction form
    45,439.48/62,736.96 = 40,644.46/x
  3. Step 3: Cross multiply
    45,439.48x = 62,736.96 × 40,644.46
  4. Step 4: Simplify right side
    45,439.48x = 2,549,909,861.24
  5. Step 5: Solve for x
    x = 2,549,909,861.24/45,439.48
  6. Step 6: Final answer
    x = 56,116.62

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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.