Home / 53,008.20-79,512.30-40,566.60

Finding the Fourth Proportional to 53,008.20, 79,512.30 and 40,566.60

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Solution

The fourth proportional to 53,008.20, 79,512.30 and 40,566.60 is: 60,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,008.20 : 79,512.30 = 40,566.60 : x
  2. Step 2: Convert to fraction form
    53,008.20/79,512.30 = 40,566.60/x
  3. Step 3: Cross multiply
    53,008.20x = 79,512.30 × 40,566.60
  4. Step 4: Simplify right side
    53,008.20x = 3,225,543,669.18
  5. Step 5: Solve for x
    x = 3,225,543,669.18/53,008.20
  6. Step 6: Final answer
    x = 60,849.90

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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.