Home / 45,268.46-67,840.16-17,158.68

Finding the Fourth Proportional to 45,268.46, 67,840.16 and 17,158.68

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Solution

The fourth proportional to 45,268.46, 67,840.16 and 17,158.68 is: 25,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,268.46 : 67,840.16 = 17,158.68 : x
  2. Step 2: Convert to fraction form
    45,268.46/67,840.16 = 17,158.68/x
  3. Step 3: Cross multiply
    45,268.46x = 67,840.16 × 17,158.68
  4. Step 4: Simplify right side
    45,268.46x = 1,164,047,510.80
  5. Step 5: Solve for x
    x = 1,164,047,510.80/45,268.46
  6. Step 6: Final answer
    x = 25,714.32

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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.