Home / 77,519.45-106,948.14-48,831.41

Finding the Fourth Proportional to 77,519.45, 106,948.14 and 48,831.41

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Solution

The fourth proportional to 77,519.45, 106,948.14 and 48,831.41 is: 67,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,519.45 : 106,948.14 = 48,831.41 : x
  2. Step 2: Convert to fraction form
    77,519.45/106,948.14 = 48,831.41/x
  3. Step 3: Cross multiply
    77,519.45x = 106,948.14 × 48,831.41
  4. Step 4: Simplify right side
    77,519.45x = 5,222,428,473.08
  5. Step 5: Solve for x
    x = 5,222,428,473.08/77,519.45
  6. Step 6: Final answer
    x = 67,369.27

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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.