Home / 77,466.28-106,899.54-43,470.52

Finding the Fourth Proportional to 77,466.28, 106,899.54 and 43,470.52

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Solution

The fourth proportional to 77,466.28, 106,899.54 and 43,470.52 is: 59,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,466.28 : 106,899.54 = 43,470.52 : x
  2. Step 2: Convert to fraction form
    77,466.28/106,899.54 = 43,470.52/x
  3. Step 3: Cross multiply
    77,466.28x = 106,899.54 × 43,470.52
  4. Step 4: Simplify right side
    77,466.28x = 4,646,978,591.56
  5. Step 5: Solve for x
    x = 4,646,978,591.56/77,466.28
  6. Step 6: Final answer
    x = 59,987.11

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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.