Home / 124,887.28-187,281.61-49,993.47

Finding the Fourth Proportional to 124,887.28, 187,281.61 and 49,993.47

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Solution

The fourth proportional to 124,887.28, 187,281.61 and 49,993.47 is: 74,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,887.28 : 187,281.61 = 49,993.47 : x
  2. Step 2: Convert to fraction form
    124,887.28/187,281.61 = 49,993.47/x
  3. Step 3: Cross multiply
    124,887.28x = 187,281.61 × 49,993.47
  4. Step 4: Simplify right side
    124,887.28x = 9,362,857,551.09
  5. Step 5: Solve for x
    x = 9,362,857,551.09/124,887.28
  6. Step 6: Final answer
    x = 74,970.47

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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.