Home / 124,763.32-187,145.79-49,889.77

Finding the Fourth Proportional to 124,763.32, 187,145.79 and 49,889.77

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Solution

The fourth proportional to 124,763.32, 187,145.79 and 49,889.77 is: 74,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,763.32 : 187,145.79 = 49,889.77 : x
  2. Step 2: Convert to fraction form
    124,763.32/187,145.79 = 49,889.77/x
  3. Step 3: Cross multiply
    124,763.32x = 187,145.79 × 49,889.77
  4. Step 4: Simplify right side
    124,763.32x = 9,336,660,419.57
  5. Step 5: Solve for x
    x = 9,336,660,419.57/124,763.32
  6. Step 6: Final answer
    x = 74,834.98

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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.