Home / 124,437.12-186,655.62-30,942.86

Finding the Fourth Proportional to 124,437.12, 186,655.62 and 30,942.86

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Solution

The fourth proportional to 124,437.12, 186,655.62 and 30,942.86 is: 46,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,437.12 : 186,655.62 = 30,942.86 : x
  2. Step 2: Convert to fraction form
    124,437.12/186,655.62 = 30,942.86/x
  3. Step 3: Cross multiply
    124,437.12x = 186,655.62 × 30,942.86
  4. Step 4: Simplify right side
    124,437.12x = 5,775,658,717.87
  5. Step 5: Solve for x
    x = 5,775,658,717.87/124,437.12
  6. Step 6: Final answer
    x = 46,414.28

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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.