Home / 106,145.64-146,479.91-58,399.02

Finding the Fourth Proportional to 106,145.64, 146,479.91 and 58,399.02

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Solution

The fourth proportional to 106,145.64, 146,479.91 and 58,399.02 is: 80,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,145.64 : 146,479.91 = 58,399.02 : x
  2. Step 2: Convert to fraction form
    106,145.64/146,479.91 = 58,399.02/x
  3. Step 3: Cross multiply
    106,145.64x = 146,479.91 × 58,399.02
  4. Step 4: Simplify right side
    106,145.64x = 8,554,282,901.69
  5. Step 5: Solve for x
    x = 8,554,282,901.69/106,145.64
  6. Step 6: Final answer
    x = 80,590.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.