Home / 95,719.04-143,840.88-90,284.32

Finding the Fourth Proportional to 95,719.04, 143,840.88 and 90,284.32

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Solution

The fourth proportional to 95,719.04, 143,840.88 and 90,284.32 is: 135,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,719.04 : 143,840.88 = 90,284.32 : x
  2. Step 2: Convert to fraction form
    95,719.04/143,840.88 = 90,284.32/x
  3. Step 3: Cross multiply
    95,719.04x = 143,840.88 × 90,284.32
  4. Step 4: Simplify right side
    95,719.04x = 12,986,576,039.00
  5. Step 5: Solve for x
    x = 12,986,576,039.00/95,719.04
  6. Step 6: Final answer
    x = 135,673.91

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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.