Home / 124,825.84-187,073.16-54,628.72

Finding the Fourth Proportional to 124,825.84, 187,073.16 and 54,628.72

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Solution

The fourth proportional to 124,825.84, 187,073.16 and 54,628.72 is: 81,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,825.84 : 187,073.16 = 54,628.72 : x
  2. Step 2: Convert to fraction form
    124,825.84/187,073.16 = 54,628.72/x
  3. Step 3: Cross multiply
    124,825.84x = 187,073.16 × 54,628.72
  4. Step 4: Simplify right side
    124,825.84x = 10,219,567,277.16
  5. Step 5: Solve for x
    x = 10,219,567,277.16/124,825.84
  6. Step 6: Final answer
    x = 81,870.61

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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.