Home / 124,918.80-187,313.40-45,992.40

Finding the Fourth Proportional to 124,918.80, 187,313.40 and 45,992.40

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Solution

The fourth proportional to 124,918.80, 187,313.40 and 45,992.40 is: 68,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,918.80 : 187,313.40 = 45,992.40 : x
  2. Step 2: Convert to fraction form
    124,918.80/187,313.40 = 45,992.40/x
  3. Step 3: Cross multiply
    124,918.80x = 187,313.40 × 45,992.40
  4. Step 4: Simplify right side
    124,918.80x = 8,614,992,818.16
  5. Step 5: Solve for x
    x = 8,614,992,818.16/124,918.80
  6. Step 6: Final answer
    x = 68,964.74

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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.