Home / 40,090.74-60,143.49-16,719.18

Finding the Fourth Proportional to 40,090.74, 60,143.49 and 16,719.18

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Solution

The fourth proportional to 40,090.74, 60,143.49 and 16,719.18 is: 25,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.74 : 60,143.49 = 16,719.18 : x
  2. Step 2: Convert to fraction form
    40,090.74/60,143.49 = 16,719.18/x
  3. Step 3: Cross multiply
    40,090.74x = 60,143.49 × 16,719.18
  4. Step 4: Simplify right side
    40,090.74x = 1,005,549,835.14
  5. Step 5: Solve for x
    x = 1,005,549,835.14/40,090.74
  6. Step 6: Final answer
    x = 25,081.85

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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.