Home / 78,818.01-108,771.24-44,831.38

Finding the Fourth Proportional to 78,818.01, 108,771.24 and 44,831.38

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Solution

The fourth proportional to 78,818.01, 108,771.24 and 44,831.38 is: 61,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,818.01 : 108,771.24 = 44,831.38 : x
  2. Step 2: Convert to fraction form
    78,818.01/108,771.24 = 44,831.38/x
  3. Step 3: Cross multiply
    78,818.01x = 108,771.24 × 44,831.38
  4. Step 4: Simplify right side
    78,818.01x = 4,876,364,793.51
  5. Step 5: Solve for x
    x = 4,876,364,793.51/78,818.01
  6. Step 6: Final answer
    x = 61,868.66

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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.