Home / 53,674.02-80,388.40-25,613.78

Finding the Fourth Proportional to 53,674.02, 80,388.40 and 25,613.78

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Solution

The fourth proportional to 53,674.02, 80,388.40 and 25,613.78 is: 38,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,674.02 : 80,388.40 = 25,613.78 : x
  2. Step 2: Convert to fraction form
    53,674.02/80,388.40 = 25,613.78/x
  3. Step 3: Cross multiply
    53,674.02x = 80,388.40 × 25,613.78
  4. Step 4: Simplify right side
    53,674.02x = 2,059,050,390.21
  5. Step 5: Solve for x
    x = 2,059,050,390.21/53,674.02
  6. Step 6: Final answer
    x = 38,362.15

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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.