Home / 90,049.07-124,263.64-49,761.96

Finding the Fourth Proportional to 90,049.07, 124,263.64 and 49,761.96

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Solution

The fourth proportional to 90,049.07, 124,263.64 and 49,761.96 is: 68,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,049.07 : 124,263.64 = 49,761.96 : x
  2. Step 2: Convert to fraction form
    90,049.07/124,263.64 = 49,761.96/x
  3. Step 3: Cross multiply
    90,049.07x = 124,263.64 × 49,761.96
  4. Step 4: Simplify right side
    90,049.07x = 6,183,602,298.42
  5. Step 5: Solve for x
    x = 6,183,602,298.42/90,049.07
  6. Step 6: Final answer
    x = 68,669.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.