Home / 77,831.28-107,407.80-44,299.44

Finding the Fourth Proportional to 77,831.28, 107,407.80 and 44,299.44

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Solution

The fourth proportional to 77,831.28, 107,407.80 and 44,299.44 is: 61,133.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,831.28 : 107,407.80 = 44,299.44 : x
  2. Step 2: Convert to fraction form
    77,831.28/107,407.80 = 44,299.44/x
  3. Step 3: Cross multiply
    77,831.28x = 107,407.80 × 44,299.44
  4. Step 4: Simplify right side
    77,831.28x = 4,758,105,391.63
  5. Step 5: Solve for x
    x = 4,758,105,391.63/77,831.28
  6. Step 6: Final answer
    x = 61,133.59

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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.