Home / 77,076.48-106,364.16-43,541.76

Finding the Fourth Proportional to 77,076.48, 106,364.16 and 43,541.76

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Solution

The fourth proportional to 77,076.48, 106,364.16 and 43,541.76 is: 60,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,076.48 : 106,364.16 = 43,541.76 : x
  2. Step 2: Convert to fraction form
    77,076.48/106,364.16 = 43,541.76/x
  3. Step 3: Cross multiply
    77,076.48x = 106,364.16 × 43,541.76
  4. Step 4: Simplify right side
    77,076.48x = 4,631,282,727.32
  5. Step 5: Solve for x
    x = 4,631,282,727.32/77,076.48
  6. Step 6: Final answer
    x = 60,086.85

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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.