Home / 58,400.08-87,585.12-30,286.64

Finding the Fourth Proportional to 58,400.08, 87,585.12 and 30,286.64

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Solution

The fourth proportional to 58,400.08, 87,585.12 and 30,286.64 is: 45,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,400.08 : 87,585.12 = 30,286.64 : x
  2. Step 2: Convert to fraction form
    58,400.08/87,585.12 = 30,286.64/x
  3. Step 3: Cross multiply
    58,400.08x = 87,585.12 × 30,286.64
  4. Step 4: Simplify right side
    58,400.08x = 2,652,658,998.80
  5. Step 5: Solve for x
    x = 2,652,658,998.80/58,400.08
  6. Step 6: Final answer
    x = 45,422.18

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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.