Home / 53,652.12-80,531.18-40,278.62

Finding the Fourth Proportional to 53,652.12, 80,531.18 and 40,278.62

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Solution

The fourth proportional to 53,652.12, 80,531.18 and 40,278.62 is: 60,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,652.12 : 80,531.18 = 40,278.62 : x
  2. Step 2: Convert to fraction form
    53,652.12/80,531.18 = 40,278.62/x
  3. Step 3: Cross multiply
    53,652.12x = 80,531.18 × 40,278.62
  4. Step 4: Simplify right side
    53,652.12x = 3,243,684,193.32
  5. Step 5: Solve for x
    x = 3,243,684,193.32/53,652.12
  6. Step 6: Final answer
    x = 60,457.71

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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.