Home / 77,236.61-106,589.12-43,246.51

Finding the Fourth Proportional to 77,236.61, 106,589.12 and 43,246.51

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Solution

The fourth proportional to 77,236.61, 106,589.12 and 43,246.51 is: 59,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,236.61 : 106,589.12 = 43,246.51 : x
  2. Step 2: Convert to fraction form
    77,236.61/106,589.12 = 43,246.51/x
  3. Step 3: Cross multiply
    77,236.61x = 106,589.12 × 43,246.51
  4. Step 4: Simplify right side
    77,236.61x = 4,609,606,961.27
  5. Step 5: Solve for x
    x = 4,609,606,961.27/77,236.61
  6. Step 6: Final answer
    x = 59,681.64

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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.